emetic [iˈmetɪk]

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n.催吐剂；adj.催吐的

a substance , especially a medicine , that causes vomiting

He was given an emetic after eating poisonous berries. 他吃了有毒的浆果, 已给了他催吐剂。
They have a more scientific emetic method . 他们有更为科学的催吐剂法。