The first-class compartment is situated at the front of the train.

头等车厢位于火车的前部。

《牛津词典》

This is the first-class cigars.

这是上等雪茄。

《新英汉大辞典》

The first class is English.

第一节是英语课。

youdao

That was when twenty-five students in a class taught by Thomas Zurbuchen first talked about the idea.

VOA: special.2009.02.16

The in class mid-terms--the grades will be roughly 10% problem sets, 20% first mid-term, 30% second mid-term, 40% final.

期中那次是随堂考,在最后成绩中,习题成绩占10%,第一次期中占20%,第二次期中占30%,期末考试占40%

耶鲁公开课 - 金融市场课程节选

It's a huge price to pay in a pass-no-record first semester class . And, you know who is most severe on the committee on discipline?

这个代价太大了，只为了,第一次学期通过一门无记录的课程,你们知道着纪律委员会,谁最为严厉吗？

麻省理工公开课 - 固态化学导论课程节选

In the first-class sections, the free wine flows and the atmosphere is almost clubbish.

ECONOMIST: For some, France is still on the other side of the earth

There was no financial backer for the regional one-day tournament - and the first-class competition is similarly sponsor-free.

BBC: Windies cricket falls on hard times

He thinks about the first-class travel, the first-class paycheck, the dizzying skills of iconic ballers like LeBron and Kobe.

WSJ: Tony Campbell and Bay Ridge Basketball: High-Five the Guy Who Just Dunked on You