这是因为我们有英语课。

It's because we have English class.

youdao

我们有英语课、科学课、电脑课和体育课。

We have English, science, computer, and PE class.

youdao

我们有英语，数学和科学在星期四。

We have English, math and science on Thursdays.

youdao

Let's listen to an erhu play a melody by a traditional Chinese composer— we call him in English "Abbing" and you can read about him there in your textbook.

让我们听听一段二胡旋律吧,它由一位中国早年的作曲家创作,英语中我们称呼他Abbing,当然,课本上有他相关的信息

耶鲁公开课 - 聆听音乐课程节选