九寨沟，由树正群海沟、则查洼海沟、日则沟三条主沟组成，海拔平均在2500米左右。

It is constituted with three main areas-Shuzhengqunhaigou, zechawahaigu and rizigou, 2500 meters above sea level.

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本文对肺癌患者的红细胞免疫功能、T淋巴细胞正群及血清中补体C＿3和CIC进行了测定。

The erythrocyte immune functions, the lymphocyte subsets, C3 and CIC in serum of lung cancer patients were studied.

youdao

一群人正站在一起豪饮啤酒。

A crowd of men were standing around swilling beer.

《柯林斯英汉双解大词典》

Because that for the first time, I kind of looked up and just like, wow, you know I have a team of engineers here and like a lot of smart people who can start building a lot of stuff in a different way that is currently being done.

因为我第一次经历这些，当我抬起头，看到一群聪明人在为我工作,他们正用独特的方式,创造新的事物，我顿时感到十分自豪。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

There was a large flatbed truck out there and there were these people on this truck getting you-- trying to sell you audio equipment, and they had a big banner up there.

那儿有一个大平板卡车,有一群人在车上,正试图向你推销音响,他们还有个巨大的横幅

耶鲁公开课 - 聆听音乐课程节选