1 N-UNCOUNT 吸;抽吸;吸出 Suction is the process by which liquids, gases, or other substances are drawn out of somewhere. 吸;抽吸;吸出
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Dustbags act as a filter and suction will be reduced if they are too full.
集尘袋起着过滤的作用,所集的灰尘太多时其吸附作用就会减小。
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If the teat enters the cup, the suction of the milking machine ensures that it becomes attached.
乳头进入奶杯后,吸奶器的吸力能确保乳房吸附在上面。
2 VERB (用医疗器械)抽吸,吸出 If a doctor or nurse suctions a liquid, they remove it by using a machine which sucks it away. (用医疗器械)抽吸,吸出
3 N-UNCOUNT [oft NOUN n] (平面的)相吸 Suction is the process by which two surfaces stick together when the air between them is removed. (平面的)相吸
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