英语词汇“switch”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

switch n. [countable]

a slender, easily bent rod or stick, used esp. in whipping or disciplining.
Electricitya device for turning on or off or directing an electric current:Flip the switch and see if the power comes back on.
Rail Transporta track structure for sending or directing trains from one track to another.
a turning, shifting, or changing:We had to make a switch in our plans.

Electricityto connect, disconnect, redirect, or turn on (or off) (an electric circuit or the device it serves) by operating a switch: [~ + on/off + object]Switch on the light, please.[~ + object + on/off]Switch the light off, please.
Rail Transport[~ + object] to move or transfer (a train, car, etc.) from one set of tracks to another.
to turn, shift, or change direction: [~ + object]to switch the subject.[no object]Let's switch to another subject.
to change or exchange: [~ + object]She switched pocketbooks with her sister.[no object]She switched to another outfit for the dance.
[no object] to move back and forth briskly, as a cat's tail.

switch•er, n. [countable]

switch n.

a slender, flexible shoot, rod, etc., used esp. in whipping or disciplining.
an act of whipping or beating with or as with such an object;
a stroke, lash, or whisking movement.
Botanya slender growing shoot, as of a plant.
a hairpiece consisting of a bunch or tress of long hair or some substitute, fastened together at one end and worn by women to supplement their own hair.
Electricitya device for turning on or off or directing an electric current or for making or breaking a circuit.
Rail Transporta track structure for diverting moving trains or rolling stock from one track to another, commonly consisting of a pair of movable rails.
a turning, shifting, or changing:a switch of votes to another candidate.
Games[Bridge.]a change to a suit other than the one played or bid previously.
Sport[Basketball.]a maneuver in which two teammates on defense shift assignments so that each guards the opponent usually guarded by the other.
Zoologya tuft of hair at the end of the tail of some animals, as of the cow or lion.
asleep at the switch, [Informal.]failing to perform one's duty, missing an opportunity, etc., because of negligence or inattention:He lost the contract because he was asleep at the switch.

v.t.

to whip or beat with a switch or the like;
lash:He switched the boy with a cane.
to move, swing, or whisk (a cane, a fishing line, etc.) with a swift, lashing stroke.
to shift or exchange:The two girls switched their lunch boxes.
to turn, shift, or divert:to switch conversation from a painful subject.
Electricityto connect, disconnect, or redirect (an electric circuit or the device it serves) by operating a switch (often fol. by off or on):I switched on a light.
Rail Transport
- to move or transfer (a train, car, etc.) from one set of tracks to another.
- to drop or add (cars) or to make up (a train).
Show Business[Motion Pictures, Television.]to shift rapidly from one camera to another in order to change camera angles or shots.

v.i.

to strike with or as with a switch.
to change direction or course;
turn, shift, or change.
to exchange or replace something with another:He used to smoke this brand of cigarettes, but he switched.
to move or sway back and forth, as a cat's tail.
to be shifted, turned, etc., by means of a switch.
Sport[Basketball.]to execute a switch.
Games[Bridge.]to lead a card of a suit different from the suit just led by oneself or one's partner.

1585–95; earlier swits, switz slender riding whip, flexible stick; compare Low German (Hanoverian) schwutsche long, thin stick

switch′a•ble, adj.
switch′er, n.
switch′like′, adj.

7.See corresponding entry in Unabridged change, shift, alternation, substitution.

switch /swɪtʃ/ n

a mechanical, electrical, electronic, or optical device for opening or closing a circuit or for diverting energy from one part of a circuit to another
a swift and usually sudden shift or change
an exchange or swap
a flexible rod or twig, used esp for punishment
the sharp movement or blow of such an instrument
a tress of false hair used to give added length or bulk to a woman's own hairstyle
the tassel-like tip of the tail of cattle and certain other animals
any of various card games in which the suit is changed during play
US Canadian a railway siding
US Canadian a railway point
Austral informal
See switchboard

to shift, change, turn aside, or change the direction of (something)
to exchange (places); replace (something by something else)
chiefly US Canadian to transfer (rolling stock) from one railway track to another
(transitive) to cause (an electric current) to start or stop flowing or to change its path by operating a switch
(transitive) to lash or whip with or as if with a switch

See also switch off, switch onEtymology: 16th Century: perhaps from Middle Dutch swijch branch, twig

ˈswitcher n

单词	switch
释义	WordReference Random House Learner's Dictionary of American English © 2024 switch /swɪtʃ/USA pronunciation n. [countable] a slender, easily bent rod or stick, used esp. in whipping or disciplining. Electricitya device for turning on or off or directing an electric current:Flip the switch and see if the power comes back on. Rail Transporta track structure for sending or directing trains from one track to another. a turning, shifting, or changing:We had to make a switch in our plans. v. Electricityto connect, disconnect, redirect, or turn on (or off) (an electric circuit or the device it serves) by operating a switch: [~ + on/off + object]Switch on the light, please.[~ + object + on/off]Switch the light off, please. Rail Transport[~ + object] to move or transfer (a train, car, etc.) from one set of tracks to another. to turn, shift, or change direction: [~ + object]to switch the subject.[no object]Let's switch to another subject. to change or exchange: [~ + object]She switched pocketbooks with her sister.[no object]She switched to another outfit for the dance. [no object] to move back and forth briskly, as a cat's tail. switch•er, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024 switch (swich),USA pronunciation n. a slender, flexible shoot, rod, etc., used esp. in whipping or disciplining. an act of whipping or beating with or as with such an object; a stroke, lash, or whisking movement. Botanya slender growing shoot, as of a plant. a hairpiece consisting of a bunch or tress of long hair or some substitute, fastened together at one end and worn by women to supplement their own hair. Electricitya device for turning on or off or directing an electric current or for making or breaking a circuit. Rail Transporta track structure for diverting moving trains or rolling stock from one track to another, commonly consisting of a pair of movable rails. a turning, shifting, or changing:a switch of votes to another candidate. Games[Bridge.]a change to a suit other than the one played or bid previously. Sport[Basketball.]a maneuver in which two teammates on defense shift assignments so that each guards the opponent usually guarded by the other. Zoologya tuft of hair at the end of the tail of some animals, as of the cow or lion. asleep at the switch, [Informal.]failing to perform one's duty, missing an opportunity, etc., because of negligence or inattention:He lost the contract because he was asleep at the switch. v.t. to whip or beat with a switch or the like; lash:He switched the boy with a cane. to move, swing, or whisk (a cane, a fishing line, etc.) with a swift, lashing stroke. to shift or exchange:The two girls switched their lunch boxes. to turn, shift, or divert:to switch conversation from a painful subject. Electricityto connect, disconnect, or redirect (an electric circuit or the device it serves) by operating a switch (often fol. by off or on):I switched on a light. Rail Transport to move or transfer (a train, car, etc.) from one set of tracks to another. to drop or add (cars) or to make up (a train). Show Business[Motion Pictures, Television.]to shift rapidly from one camera to another in order to change camera angles or shots. v.i. to strike with or as with a switch. to change direction or course; turn, shift, or change. to exchange or replace something with another:He used to smoke this brand of cigarettes, but he switched. to move or sway back and forth, as a cat's tail. to be shifted, turned, etc., by means of a switch. Sport[Basketball.]to execute a switch. Games[Bridge.]to lead a card of a suit different from the suit just led by oneself or one's partner. 1585–95; earlier swits, switz slender riding whip, flexible stick; compare Low German (Hanoverian) schwutsche long, thin stick switch′a•ble, adj. switch′er, n. switch′like′, adj. 7.See corresponding entry in Unabridged change, shift, alternation, substitution. Collins Concise English Dictionary © HarperCollins Publishers:: switch /swɪtʃ/ n a mechanical, electrical, electronic, or optical device for opening or closing a circuit or for diverting energy from one part of a circuit to another a swift and usually sudden shift or change an exchange or swap a flexible rod or twig, used esp for punishment the sharp movement or blow of such an instrument a tress of false hair used to give added length or bulk to a woman's own hairstyle the tassel-like tip of the tail of cattle and certain other animals any of various card games in which the suit is changed during play US Canadian a railway siding US Canadian a railway point Austral informal See switchboard vb to shift, change, turn aside, or change the direction of (something) to exchange (places); replace (something by something else) chiefly US Canadian to transfer (rolling stock) from one railway track to another (transitive) to cause (an electric current) to start or stop flowing or to change its path by operating a switch (transitive) to lash or whip with or as if with a switch See also switch off, switch onEtymology: 16th Century: perhaps from Middle Dutch swijch branch, twig ˈswitcher n
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