邓维尔先生已经开始把高中三年级的学生带到工厂来，让他们接触工厂的文化。

Mr. Dunwell has begun bringing high school juniors to the factory so they can get exposed to its culture.

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我们在七年级开始学习德语。

We started German in year seven.

《牛津词典》

在四年级时，她和她的一些朋友开始了一个很好的项目。

In fourth grade, she and some of her friends started a good project.

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So historically, the course is a lot of sophomores who, like me perhaps, are realizing that they finally have time to explore beyond their own interests.

从往年数据上可以看出，上这个课程的大都是大学二年级的学生，可能跟当时的我一样，开始认识到我们终于有时间,来探究我们兴趣以外的事情。

哈佛公开课 - 计算机科学课程节选

If you walk into a class with 5th graders, who on day one are years behind where they should be and hate school and are kind of like to hate you because of it.

如果你走进一个五年级教室，学生们从第一天开始就落后很多,恨学校，因此也恨你。

哈佛公开课 - 幸福课课程节选