1. 我們在夜幕掩護下行進。
   We travelled under cover of darkness.
2. 炮火掩護步兵前進。
   Artillery gave cover (ie fired at the enemy to stop them firing back) while the infantry advanced.
3. 我前進時，你掩護我。
   Cover me while I move forward.
4. 他在銀行的工作僅僅是他當間諜的一種掩護。
   His job at the bank was just a screen for his life as a spy.
5. 士兵在黑夜的掩護下向前爬行。
   The soldiers crept forward under the cover of darkness.
6. 間諜的活動是在外交的掩護下暗中進行的。
   The spy's activities were concealed by the cloak of diplomacy.

掩的英語翻譯：

護的英語翻譯：