drain

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【释义】：

vt．❶ 排水，放干…的水：drain off(or away)the water from the land排除地里的积水．drain the swamp排出沼泽地里的水．❷ 喝干，倒空：drain a glass of milk喝干一杯牛奶．❸ 用完，耗竭，荡尽：be drained of man-power and wealth by aggressive war由于侵略战争而耗尽人力物力．

－vi．❶ (水)淌完，流去：The water will soon drain away．水不久就要流光了．❷ 排干，漏干，晾干Let the vessel stand and drain．把容器放在那里晾干．❸ 【喻】枯竭．

－n．❶ 排水渠，水沟，阴沟．❷ (pl．)排水系统．❸ 消耗，枯竭：a drain on supplies脱销．❹ 【口语】一口：Leave me a drain!给我留一口!

△go down the drain【俚】每况愈下．