用作定语
▲～+n.
He was bitten by a poisonous snake.他被毒蛇咬了。
He gave her a poisonous look.他恶意地看了她一眼。
用作表语
▲S+be+～
This medicine is poisonous.这药有毒。
This medicine is poisonous if taken in large quantities.这种药如服过量是会中毒的。
The weather was positively poisonous.这天气着实讨厌。
▲S+be+～+prep.-phrase
Those words are poisonous to his mind.这些话对他的思想有害。
