When he returned, he noticed their sickness and prepared an antidote.

当他返回时，他注意到了他们的病情，准备了解毒药。

《柯林斯英汉双解大词典》

An antidote to selfishness?

治疗自私的良方？

youdao

But is there an antidote to anxiety?

但是我们有没有对付焦虑的良药呢？

youdao

Strangely, perhaps, this same erosion of sovereignty is seen as an antidote to violent nationalism.

ECONOMIST: Charlemagne

The lack of vaccine led scientists to begin work looking for an antidote to the poison.

BBC: Anthrax antidote hope

Instead of baby carrots as an antidote to junk food, Bolthouse Farms was positioned as the exact opposite.

FORBES: Bolthouse Farms Takes On Giant Frito-Lay By Selling Junk Food That's Good For You