adj.吸奶的;授乳的;乳臭未干的;尚未断奶的;
v.吸,吮( suck的现在分词 );舐,吮吸;
例句:
The little boy was sucking his thumb.
小男孩儿吮着拇指.
I tried sucking on a candy to stop myself coughing.
我试着吮食糖果来止咳.
The old man was sucking at his pipe.
那位老汉在吸他的烟斗.