3周后，他们把睡眠时间逐渐缩短到8小时。但是另一件有趣的事发生了。

After three weeks, they gradually reduced their sleep to about eight hours. But another interesting thing happened.

《柯林斯英汉双解大词典》

如果走这条路，可以缩短两小时的行程。

If we go this way it will save us two hours on the trip.

《牛津词典》

从这个月开始，新的西安成都高铁将把旅行时间缩短到3个小时。

Starting this month, the new Xi'an Chengdu high speed railway will shorten this travel time to three hours.

youdao

Well, but it ought so in the midst that the bullion, was at the end of the bullion conversation that went on forth actual three and a half hours, and you saw the shortened version.

在他黄金事业中间应该有的挫折，一般都在事业的最后出现,总时长三个半小时，你们看了缩短版。

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