1. under plain cover : 以普通信封寄发;
2. under cover : 隐藏着;
3. break cover : 从隐藏处出来;
4. from cover to cover : 从头至尾;
5. cover in : 封盖;
6. cover over : 遮没;
7. under separate cover : 在另函中;
8. under the cover of : 趁着, 以...为幌子;
及物动词
名词
保险
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保险
1. 遮盖;掩蔽
If you cover something, you place something else over it in order to protect it, hide it, or close it.
2. 盖在…上面;铺在…上面
If one thing covers another, it has been placed over it in order to protect it, hide it, or close it.
3. 盖;覆盖;遮住
If one thing covers another, it forms a layer over its surface.
1. fire that makes it difficult for the enemy to fire on your own individuals or formations
e.g. artillery provided covering fire for the withdrawal
Synonym: covering fire
2. the act of concealing the existence of something by obstructing the view of it
e.g. the cover concealed their guns from enemy aircraft
Synonym: coveringscreeningmasking
3. a false identity and background (especially one created for an undercover agent)
e.g. her new name and passport are cover for her next assignment
4. the protective covering on the front, back, and spine of a book
e.g. the book had a leather binding
Synonym: bindingbook bindingback
5. bedding that keeps a person warm in bed
e.g. he pulled the covers over his head and went to sleep
Synonym: blanket
6. a recording of a song that was first recorded or made popular by somebody else
e.g. they made a cover of a Beatles' song
Synonym: cover versioncover song
7. a covering that serves to conceal or shelter something
e.g. a screen of trees afforded privacy
under cover of darkness
the brush provided a covert for game
the simplest concealment is to match perfectly the color of the background
Synonym: screencovertconcealment
8. covering for a hole (especially a hole in the top of a container)
e.g. he removed the top of the carton
he couldn't get the top off of the bottle
put the cover back on the kettle
Synonym: top
9. a natural object that covers or envelops
e.g. under a covering of dust
the fox was flushed from its cover
Synonym: coveringnatural covering
10. a fixed charge by a restaurant or nightclub over and above the charge for food and drink
Synonym: cover charge