用作不及物动词
▲S+～(+A)
She was stricken by pain and began to vomit.她感到一阵疼痛，开始呕吐起来。
用作及物动词
▲S+～+n./pron.
He vomited everything he had eaten.他把吃的东西全都吐了出来。

［派生词］ vomiter n. 呕吐的人‖vomiting n. 呕吐