老鼠药的英文：
rat poison

rat是什么意思：
n. 老鼠；卑鄙小人；
v. 捕鼠；弄蓬松；告密，出卖；违约

You dirty rat !
你这个卑鄙的小人！

Rats! It's just no use! !
胡说！这都没法用！

She has a complex about rats.
她对老鼠有病态恐惧。

The rat was caught in a trap.
那只老鼠被捕鼠器捉住了。

The little boy likes to rat.
这个小男孩喜欢捕鼠。

poison是什么意思：
n. 毒药，毒物；毒害；酒
v. 放毒，下毒；毒害；破坏；污染
adj. 有毒的

Lead poisoning( or plumbism )：Poisoning by accumulation of lead in the body.
铅中毒:铅在体内积累引起的中毒。

Suspicion is the poison of true friendship
猜疑伤害莫逆之交

The bottle is labeled poison.
瓶子上表明有毒。

Distrust is poison to friendship
猜疑是友谊的毒药

You will have to kill these unwanted plants with poison
你将不得不用药物把这些讨厌的植物毒死。