He spent many hours in deep contemplation.

他花了多个专心思考。

The descent of the mountain took two hours.

下山花了两个。

The descent of the mountain took nearly two hours.

下山差不多花了两个。

The recommended dosage is one tablet every four hours.

定剂量为每四服一片。

It took me ten hours to tabulate the results.

我花了十个把结果制成表格。

The bare narration of the fact took two hours.

单是这事实的叙述就花了两。

The earth rotates on its axis once every 24 hours.

地球每24依其轴心自转一。

The operation to implant the artificial heart took two hours.

人工心脏植入手术花费了两。

She found knitting a comfortable employment in her idle hours.

她发现编织毛衣是悠闲间消遣的好方式。

The huge clock of the Customs House strikes the hours.

海关的大钟每都报。

It took many hours to convince the court of his guilt.

花费了许多个法相信他有罪。

The storage time of probational liquid must not exceed 2 hours.

供试液贮存间不得超过2。

The police subjected him to an inquisition that lasted two hours.

警察对他进行了持续两的盘问。

Her stint as a lifeguard usually consumes three hours a day.

救生员这项工作每天通常花费她三个。

Here is your medicine - the dose is two spoonfuls every four hours.

这是你的药，剂量是每四服两匙。

He spent two hours tying all the parcels with string.

他花了两个用绳捆扎所有这些包裹。

I lay awake through the wee small hours,waiting for the signal.

我躺到后半夜没睡,等候信号。

Arguing about details consumed many hours of the committee's valuable time.

争论细节问题耗费了委员会数宝贵的间。

It took the firemen nearly two hours to put the blaze out.

消防队员花了近两个把大火扑灭。

It took us several hours to get the gymnasium ready for the ball.

我们花了几个把体育馆收拾好供舞会用。