烈性药的英文：
a strong medicine

参考例句：

The strong medicine made my head whirl.
这种烈性药使我头晕眼花。

strong是什么意思：
adj. 强壮的；强大的，强劲的；有力的；牢固的；坚强的；坚决的；浓的；激烈的
adv. 强烈地

The Battle is to the strong
强者必胜

strong extremum
强相对极值

Strong reasons make strong actions
理由充足,行动就坚决

The competition is very strong this time.
这次的对手非常强。

Is this why the Yen is so strong?
这是日元如此强劲的原因吗？

medicine是什么意思：
n. 药；医学；内科；巫术
v. 用药物治疗；给…用药

There is no medicine to cure a fool || There is no medicine for curing a fool
笨人无药可医

Combine Chinese traditional medicine with western medicine
使中医与西医相结合。

The medicine is requested to pestle into powder.
这种药要研成粉末服用。

The medicine was an effective purge.
这是疗效很好的泻药。

The medicine is as bitter as gall.
这药像胆汁一样苦。