复数： emetics

He was given an emetic after eating poisonous berries .

他吃了有毒的浆果，已给了他催吐剂。

The roots are used as an emetic .

根被用作一种催吐药。

Optimum dose of propofol for prevention of emetic episodes after laparoscopic cholecystectomy .

异丙酚预防腹腔镜胆囊切除术后病人恶心呕吐发生的最佳剂量研究。

But the sea acted as a strong emetic .

可大海却成了强烈的催吐剂。

If you accidentally swallow any of this liquid , take an emetic to induce vomiting .

如果你不小心吞下这种液体，需服催吐剂呕牡出来。