Peter took art as an elective in college.

彼得大学时曾选修艺术。

At my university, there is no division between compulsory and optional modules.

在我大学里，没有必修和选修划分。

According to college curricula, students have to finish some compulsory courses and selective courses.

根据学校安排，学生需要完成必修和选修内容。

This semester, there are seven lawyers taking the class.

学期有7名律师选修。

And five more states offered it as an elective.

还有五个州将其作为选修提。

Perhaps, even take a course, like strategic communications.

也许，甚至可以选修一，比如战略沟通。

My co-op friends who were also taking the course asked for my help.

一些同样选修同室朋友找我帮忙。

One in four Yale undergraduate students has registered to take it.

耶鲁大学四分之一本科生注册选修了。

Some courses in college are required while others are optional.

大学里有些是必修，有些是选修。

You will not be able to experience them all, but sample them widely!

你不可能选修所有，但是要尽可能体验更多！

Other schools let students wait until their second year.

而其他学校则让学生在第二年选修专业。

They're a bit shocked that in China this is compulsory rather than optional, erm...

他们听到在中国是必修而不是选修有点震惊。

But coursework isn't the only way to explore your interests and specialize.

但选修并不是探索兴趣和专业唯一方式。

Is that optional course as hard as everybody says?

那选修像大家都说那么难吗？

And some are optional, students get a list of optional modules and choose which ones they want to take.

而有些是选修，学生可以拿到一份选修列表，然后选择他们想修。

And my last year, I took specialization, which is crystallographer.

我大学最后一年选修了一专业科目，晶体学。

It includes 20 hours of classes a week in your chosen course.

包括了你们选修一周20个小时。

Great, I guess that means you all intend to take this course.

很好，我想意味着你们都打算选修。

I didn't know you drew. -It's an elective.

我以前不知道你还画画。-选修学。

First of all, I would like to thank you for enrolling in this optional ethics course.

首先，我要感谢你们选修伦理学。