all day和all day long有什么区别

all day是一整天，强调天数, all day long是在一整天的时间里，强调时间较长。

all day: 整天

I've been travelling all day.

我一整天都在旅行。

adv. 整天；全天

all day long:

We had to wait all day long.

我们不得不整天等候着。

He talked of his adventure all day long .

他终日不停地谈他的奇遇。

He toiled all day long but earned very little ..

他整天劳碌但挣得很少。

All day long he lay at home watching television .

他成天躺在家里看电视。

A number of them took to mopping all day long .

他们中有很多人总是愁眉苦脸。