英语翻译：
secure; shield; cloak; cover; coverture; screen
【化】 covering
相关词条：
1.coverture 2.cloak 3.tocover 4.mask 5.screening
例句：
- 我们在夜幕掩护下行进。
We travelled under cover of darkness.
- 炮火掩护步兵前进。
Artillery gave cover (ie fired at the enemy to stop them firing back) while the infantry advanced.
- 我前进时，你掩护我。
Cover me while I move forward.
- 他在银行的工作仅仅是他当间谍的一种掩护。
His job at the bank was just a screen for his life as a spy.
- 士兵在黑夜的掩护下向前爬行。
The soldiers crept forward under the cover of darkness.
- 间谍的活动是在外交的掩护下暗中进行的。
The spy's activities were concealed by the cloak of diplomacy.
分词翻译：
掩的英语翻译：
attack by surprise; close; cover; hide
护的英语翻译：
be partial to; protect; shield