小时的英文：
hour

参考例句：

Corn the beef for twelve hours.
把牛肉腌十二小时。

What's learnt in the cradle lasts till the tomb.
小时学过的，至死不忘记。

She works thirty - five hours per week.
她每周工作35小时。

They all kipped down for a couple of hours in the shade of some trees.
他们都到树阴下睡上几个小时。

What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。

You must give at least 24 hours notice of cancellation.
如要取消，必须提前24小时通知。

Forty-eight hours have elapsed since his arrest.
从他被捕至今已经过去48小时了。

I work thirty five (forty eight) hours a week.
我每周工作三十五(四十八)小时。

This mixture was heated to reflux for 1 hour.
该混合物加热回流1小时。

For ten hours it rained incessantly.
雨一直不停下了10个小时。

hour是什么意思：
n. 小时；长时间；时刻；重要时刻；某个时间；整点；（工作办公的）固定时间

by the hour together
连续几小时|不断地

They enjoyed marching around the room hour after hour.
他们喜欢绕着房间一小时又一小时地行进。

We did an hour of gym.
我们做了一小时的体操。

The orders were given on the hour.
整点发布命令。

Corn the beef for twelve hours.
把牛肉腌十二小时。