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

drain v.

to empty by drawing off liquid: [~ + object]to drain a swamp.[~ + object (+ of + object)]Drain the wound (of blood) before you apply the bandage.[no object]The crankcase has to drain before you put on the new filter.
to empty by drinking:[~ + object]He drained his glass in one huge swallow.
to use up the resources of:[~ + object (+ of + object ) ]He drained his parents of every cent they had.

n. [countable]

a pipe or other device that allows a liquid to drain:The drains are probably clogged.
something that causes a large outflow or depletion:These constant doctor bills are a drain on our finances.

Idioms

Idioms go down the drain, to become without profit;
be wasted:All my work went down the drain because I didn't have time to finish.

drain•er, n. [countable]

drain v.t.

to withdraw or draw off (a liquid) gradually;
remove slowly or by degrees, as by filtration:to drain oil from a crankcase.
to withdraw liquid gradually from;
make empty or dry by drawing off liquid:to drain a crankcase.
to exhaust the resources of:to drain the treasury.
to deprive of strength;
tire.

v.i.

to flow off gradually.
to become empty or dry by the gradual flowing off of liquid or moisture:This land drains into the Mississippi.

something, as a pipe or conduit, by which a liquid drains.
Surgerya material or appliance for maintaining the opening of a wound to permit free exit of fluids.
gradual or continuous outflow, withdrawal, or expenditure.
something that causes a large or continuous outflow, expenditure, or depletion:Medical expenses were a major drain on his bank account.
an act of draining.
[Physical Geog.]
- Geographyan artificial watercourse, as a ditch or trench.
- Geographya natural watercourse modified to increase its flow of water.
Idioms go down the drain:
- to become worthless or profitless.
- to go out of existence;
  disappear.

bef. 1000; Middle English dreynen, Old English drēhnian, drēahnian to strain, filter; akin to dry

drain′a•ble, adj.
drain′er, n.

drain /dreɪn/ n

a pipe or channel that carries off water, sewage, etc
an instance or cause of continuous diminution in resources or energy; depletion
a device, such as a tube, for insertion into a wound, incision, or bodily cavity to drain off pus, etc
down the drain ⇒ wasted

(transitive) often followed by off: to draw off or remove (liquid) from: to drain water from vegetables, to drain vegetables
(intransitive) often followed by away: to flow (away) or filter (off)
(intransitive) to dry or be emptied as a result of liquid running off or flowing away: leave the dishes to drain
(transitive) to drink the entire contents of (a glass, cup, etc)
(transitive) to consume or make constant demands on (resources, energy, etc); exhaust; sap
(intransitive) to disappear or leave, esp gradually: the colour drained from his face
(transitive) (of a river, etc) to carry off the surface water from (an area)
(intransitive) (of an area) to discharge its surface water into rivers, streams, etc

Etymology: Old English drēahnian; related to Old Norse drangr dry wood; see dry

单词	drain
释义	WordReference Random House Learner's Dictionary of American English © 2024 drain /dreɪn/USA pronunciation v. to empty by drawing off liquid: [~ + object]to drain a swamp.[~ + object (+ of + object)]Drain the wound (of blood) before you apply the bandage.[no object]The crankcase has to drain before you put on the new filter. to empty by drinking:[~ + object]He drained his glass in one huge swallow. to use up the resources of:[~ + object (+ of + object ) ]He drained his parents of every cent they had. n. [countable] a pipe or other device that allows a liquid to drain:The drains are probably clogged. something that causes a large outflow or depletion:These constant doctor bills are a drain on our finances. Idioms Idioms go down the drain, to become without profit; be wasted:All my work went down the drain because I didn't have time to finish. drain•er, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024 drain (drān),USA pronunciation v.t. to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration:to drain oil from a crankcase. to withdraw liquid gradually from; make empty or dry by drawing off liquid:to drain a crankcase. to exhaust the resources of:to drain the treasury. to deprive of strength; tire. v.i. to flow off gradually. to become empty or dry by the gradual flowing off of liquid or moisture:This land drains into the Mississippi. n. something, as a pipe or conduit, by which a liquid drains. Surgerya material or appliance for maintaining the opening of a wound to permit free exit of fluids. gradual or continuous outflow, withdrawal, or expenditure. something that causes a large or continuous outflow, expenditure, or depletion:Medical expenses were a major drain on his bank account. an act of draining. [Physical Geog.] Geographyan artificial watercourse, as a ditch or trench. Geographya natural watercourse modified to increase its flow of water. Idioms go down the drain: to become worthless or profitless. to go out of existence; disappear. bef. 1000; Middle English dreynen, Old English drēhnian, drēahnian to strain, filter; akin to dry drain′a•ble, adj. drain′er, n. Collins Concise English Dictionary © HarperCollins Publishers:: drain /dreɪn/ n a pipe or channel that carries off water, sewage, etc an instance or cause of continuous diminution in resources or energy; depletion a device, such as a tube, for insertion into a wound, incision, or bodily cavity to drain off pus, etc down the drain ⇒ wasted vb (transitive) often followed by off: to draw off or remove (liquid) from: to drain water from vegetables, to drain vegetables (intransitive) often followed by away: to flow (away) or filter (off) (intransitive) to dry or be emptied as a result of liquid running off or flowing away: leave the dishes to drain (transitive) to drink the entire contents of (a glass, cup, etc) (transitive) to consume or make constant demands on (resources, energy, etc); exhaust; sap (intransitive) to disappear or leave, esp gradually: the colour drained from his face (transitive) (of a river, etc) to carry off the surface water from (an area) (intransitive) (of an area) to discharge its surface water into rivers, streams, etc Etymology: Old English drēahnian; related to Old Norse drangr dry wood; see dry
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