youdao

一个来自湘潭的14岁的男生高玉琪假期的时候每天早上7点就起床去跑步，跑至少两公里。

Gao Yuqi, a 14-year-old student from Xiangtan, got up at 7:00 a.m. to run at least 2 kilometers every day during the holiday.

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学校离这儿有两公里远。

The school is two kilometres from here.

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These two guys are 5 km long.

这两段都是5公里长

耶鲁公开课 - 基础物理课程节选

But,the turbo-prof will be somebody who is assigned to Reims, and who takes the train there every day, or to Tours; but to Lyon also since this is only two hours, this is four-hundred kilometers.

不过涡轮教授被派到兰斯教书,他每天都要坐火车往返,抑或是去图尔斯,从这里去里昂要用两小时,这有四百公里

耶鲁公开课 - 1871年后的法国课程节选