v.吮吸;吸引;恶心;
n.吸入物;
例句:
Leeches attach themselves to other creatures and suck their blood.
它们寄生在别的生物体内,以吸食血液为生.
They suck you in to their seedy world.
他们把你卷入他们肮脏糜烂的圈子里。
Your baby isn't strong enough to suck, so we have to use intubation.
你的宝宝还无法吞咽东西, 所以我们使用导流管.