mass noun
- the production of a partial vacuum by the removal of air in order to force fluid into a vacant space or procure adhesion吸; 抽吸; 抽气。
with obj. and adverbial of direction
- remove (something) using suction吸出：
physicians used a tube to suction out the gallstones.
医生用一根管子吸出胆结石。
词源
early 17th cent.: from late Latin suctio（n-）, from Latin sugere 'suck'.