The flight will take four hours.
此次飞行将需要四个小时。
He's already been gone four hours!
他已离开4个小时了！
She only sleeps for four hours a night.
她每天晚上只睡四个小时。
It will take about four hours to defrost.
解冻要花四小时左右。
Train service was halted as the fire raged for more than four hours.
火车停运了，因为大火肆虐了四个多小时。
The instructions say (that) we should leave it to set for four hours.
说明书上说我们应让它凝结四小时。
The Air France plane lopped over four hours off the previous best time.
法国航空公司的飞机在原来最短航行时间的基础上又缩减了4个多小时。
Take ten drops every four hours.
每隔四小时喝十滴。
Take one tablet every four hours.
隔四小时服一片。
Please take these pills every four hours.
请每隔四小时吃一次这些药片。
You should take five drops every four hours.
你要四小时滴一次，每次五滴。
She has to take this medicine every four hours.
她需要每四小时吃一次药。
The passengers can travel from Paris to Marseilles in only four hours.
乘客从巴黎到马赛只需四个小时。
Why did the late philosopher Richard Wollheim spend four hours before a picture?
为什么已故哲学家理查德·沃尔海姆要花四个小时观看一幅画？
二十四小时为一日。
He had been asleep four hours.
他已经睡了四个小时。
He has been at it for four hours.
他已经干了四个钟头了。
It took four hours to dig them out.
用了四个小时才把他们挖出来。
Take the medicine every four hours.
每四小时服药一次。
He leaped four hours ahead of himself.
他要提前4小时起床。
It was about four hours before I told anyone.
过了大约四个小时之后，我才将我复明这件事告诉其他人。
"It's four hours to Windsor," the driver said.
“到温莎要开四个小时呢。”司机说。
Next is Sam, who has been skating for four hours.
接着是萨姆，他滑了4个小时。
Doctor: You should take two tablets every four hours.
医生：每隔四小时吃两片。
Avoid heavy meals at least four hours before bedtime.
睡前四小时内避免吃大餐。
Do I need to be available twenty four hours a day?
我真的需要每天24小时随叫随到吗？
Once you register, you will have four hours per session.
一旦您注册了，每一个会话有四个小时。
Once you register, you will have four hours per session.
一旦您注册了，每一个会话有四个小时。
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