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词汇
vacuum pump
释义
vacuum pump真空泵,真空抽气机。vacuum: n. (pl. vacuums, vac-ua ) 1. ...pump: n. 1.泵,抽(水)机,唧筒;抽机作用,抽动;抽运;泵 ...
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decoy
decrease
decreasingly
decree
decrement
decremeter
decrepit
decrepitate
decrepitude
decrescendo
decrescent
decretal
decretive
decretory
decrial
decrustation
decry
decrypt
decubitus
decumbence
decumbent
decuple
decurion
decurrent
decurved
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