第一组好在哪里，有哪些问题？

What are the strong points and weak points in Group 1?

youdao

第一组的学生没有成绩的提高。

Students in Group 1 didn't see a grade increase.

youdao

当对两组学生的学习内容进行测试时，第二组“明显优于”第一组。

When the two groups were tested on what they'd learned, the second group "significantly outperformed" the first.

youdao

So, if you look in chapter one, you will find these definitions for different atomic groupings starting down here with the elements and moving through up through complex matter.

如果你们读第一章，你们会发现不同的原子组的定义,从底下开始有一些基本原理,往上还有复杂的物质。

麻省理工公开课 - 固态化学导论课程节选

All of these from the group one and two through the group five and six elements, but what about elements, what about molecules like hydrogen, or nitrogen, or maybe oxygen?

所有的这些都是来自于第一主族和第二组主族,到第五主族和第六组主族的悬殊，那么元素呢，比如氢气，氮气或氧气那样的分子呢？

麻省理工公开课 - 固态化学导论课程节选

The first of these is rhythmic, so we're going to turn now -I guess we'll turn off the lights and we're going to go to a couple of slides here.

其中第一项技巧就是节奏,因此我们现在就要看看,我想我们要关灯,因为我们将要看组幻灯片

耶鲁公开课 - 聆听音乐课程节选