可能每天有三到四小时的阳光“。

They might get three to four hours of sunlight a day, " he says."

youdao

在睡前三个半到四小时吃你的最后一餐。

Eat your last meal three and a half to four hours before bed.

youdao

晒斑的症状在阳光损害后两到四小时才会显现。

The symptoms of sunburn do not begin until two to four hours after the sun's damage has been done.

youdao

The reason--unless you can take about eight hours to do it--because, the way you're going to do it is you're going to take a train that goes one hour and fifty-eight minutes to Paris, and then you're going to take another train that zips down here in about four hours to Bordeaux, but you're paying by kilometer.

除非你想坐八个小时的火车,因为,你要走的路是,坐上火车,先花一小时五十八分钟去巴黎,然后以很快的速度用四小时到这儿,波尔多,按公里计费

耶鲁公开课 - 1871年后的法国课程节选