1.He spent many hours in deep contemplation.

1.他花了多个小专思考。

2.She can do 3000 keystrokes an hour.

2.她在一小内能按键3000次。

3.The steamer makes 20 knots an hour.

3.这艘轮的速是20海。

4.The train makes 70 kilometres an hour.

4.这火车的速为70。

5.Please set forward your watches an hour.

5.请把你们的表拨快一个小。

6.The train is an hour behind time.

6.火车晚点一小。

7.A ferry crosses the river every hour.

7.渡每小过河一次。

8.They spent an hour mooching around the shops.

8.他们花了一个小逛商店。

9.You were driving at ninety miles an hour.

9.Have anything to say for yourself?你当的驾驶速已达90英,你有什么要辩解的吗?

10.The descent of the mountain took two hours.

10.下山花了两个小。

11.It flies at about 900 kilometers an hour.

11.它以每小900的速度飞行。

12.It's fully an hour since he left.

12.他走了至少有一小。

13.This is his accustomed hour to go to bed.

13.这是他就寝的惯常间。

14.You have a scant hour in which to pack.

14.你有一小来整理行李。

15.The bare narration of the fact took two hours.

15.单是这事实的叙述就花了两小。

16.The recommended dosage is one tablet every four hours.

16.规定剂量为每四小服一片。

17.The descent of the mountain took nearly two hours.

17.下山差不多花了两个小。

18.It took me an hour to skim the book.

18.我费了一个小把这本书草草地读了一遍。

19.It took me ten hours to tabulate the results.

19.我花了十个小把结果制成表格。

20.She conjured up a three-course meal in half an hour!

20.她用半小变出了一顿有三道菜的饭！