| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024switch /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 © 2024switch (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
- 7.See corresponding entry in Unabridged change, shift, alternation, substitution.
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