I like the cover of this book.

我喜欢这本书的封面。

Can you cover my shift tomorrow?

你明天能帮我代班吗？

The reporter covered the event live.

记者对这一事件进行了现场报道。

The course covers grammar and vocabulary.

这门课程包括语法和词汇。

Please cover the pot with a lid.

请把锅盖上盖子。