poison/'pɔɪzən/

n. a substance that can cause death or harm if you eat it, drink it, etc.

n. [C; U] 毒药：The flower contains a poison. 这种花有毒。

◇The cat was killed by rat poison. 这只猫是被鼠药毒死的。

音组-son/-zən/

poison; prison; reason; season

谚语：One man's meat is another's poison. 对甲有利对乙未必有利。