保护to provide cover

• 掩护撤退

  cover a retreat

• 掩护左翼

  provide cover for the left flank

• 掩护大部队转移

  provide cover for a large unit's change in position

• 用炮兵掩护步兵进攻

  use artillery to provide cover for the advance of foot soldiers

• 对空掩护

  umbrella of air defence

• 以开茶馆为掩护

  use a teahouse for cover

• 在飞机掩护下

  under cover of air support

• 在夜色掩护下

  under cover of night

• 用身体掩护自己的同志

  use one's body to shield a comrade

掩护物cover

暗中保护参见：打掩护[dǎ yǎnhù]; to cover for

• 掩护地下工作者

  cover for covert operatives