它的时速为250公里，也是第一条提供 4G 网络的山地重载铁路线。

With a speed of 250 km per hour, it's also the first mountain heavy train line to provide a 4G network.

youdao

youdao

youdao

As we all know, this only works if there is a pointee, which kind of gets back to rule number one.

众所周知，只有当有指针数据时，这个才起作用，这有点像第一条规则。

哈佛公开课 - 计算机科学课程节选

Objection number one - and here I'll come down to - I wanna talk to team libertarian over here.

第一条反对，我先到下面去-,到这边来和自由主义队员对话。

耶鲁公开课 - 公正课程节选

At the end of that two weeks, I wrote the first tweet, which was inviting coworkers.

两周结束的时候，我发出了第一条推特，来邀请合作者。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选