n.

1. 毒；毒药；毒物[C][U]
   Gas is a poison.

   煤气是有毒气体。

2. 有害之物；（对社会的）毒害；弊害[C][U]
   Some people say that selfishness is a poison in our society.

   一些人说自私是我们社会的一害。

3. 【俚】酒[U]
4. 抑制剂

vt.

1. 使中毒；毒死；放毒于
   The natives use poisoned arrows to kill big game.

   土著用毒箭射杀大猎物。

2. 污染
   Industrial wastes have poisoned the river.

   工业废弃物污染了这条河。

3. 毒害；败坏；玷污；破坏
   Jealousy poisoned their friendship.

   嫉妒破坏了他们的友谊。

4. 阻碍，抑制

vi.

1. 放毒，下毒

a.

1. 有毒的

n.

1. a substance that causes death or harm when introduced into or absorbed by a living organism.
2. something that has a destructive or corrupting influence.
3. Chemistry  a substance that reduces the activity of a catalyst.
4. Physics  an impurity that retards nuclear fission by absorbing neutrons.

v.

1. administer poison to or contaminate with poison.
2. corrupt or harm.