cover [ˈkʌvə(r)]

以下由轻松背单词网站提供

n.盖子，覆盖物；v.覆盖…，扩及，掩饰

to put or spread something over something, or to lie on the surface of something

Under cover of the dark,the dog was stolen. 在黑夜的掩护下，狗被偷走了。
The book needs a new cover. 这书需要装个新封面。