377　drop和fall

1　表示温度、价格、物体等“下降，下落，落下”时，可用drop和fall ，为不及物动词。

The temperature has dropped . 气温下降了 。

The temperature has fallen .

The price of meat has dropped by 10 cents. 肉的价格下降了1角钱 。

The price of meat has fallen by 10 cents.

The cup dropped out of his hand. 杯子从他手中掉了下来 。

The cup fell out of his hand.

She dropped to the ground. 她摔倒在地上 。

She fell to the ground.

2　drop 可以作及物动词用，表示故意或无意“掉下”，fall 则不可。

He dropped the pen on the ground. （正）他的钢笔掉在了地上 。

He fell the pen on the ground. （误）

3　drop 可以表示因疲劳而倒下；fall 可以表示在战斗中受伤或牺牲，drop 则不可以。

He was tired and dropped into a chair. 他很累，倒在了一把椅子里。

Five soldiers fell in the battle. 有5个士兵在战斗中死亡。