解药在英语中称为 "antidote"。这个词来源于希腊语 "anti" 和 "didonai"，意思是 "反对" 和 "给予"。

例句：

The doctor gave her an antidote for the poison.

(医生给了她一种解毒药。)

The snakebite victim was given an antidote as soon as possible.

(蛇咬受害者尽快得到了解毒药。)

He kept an antidote with him at all times in case of emergency.

(他随时都会携带一种解毒药，以防紧急情况。)