掩护

❶cover;shield;screen;shelter
❷cover;guise;cloak
保卫人员用身体～总统。The security personnel shielded the President with their bodies./在大炮的～下进攻。The troops advanced under cover of the batteries./以…作～ use sth as a cover/在宗教的～下进行特务活动carry out espionage under the garb (or cloak)of religion/以国际职员的身份作～work under the guise of an international civil servant/～部队covering force/～部队的撤退cover the evacuation of forces/～火力covering fire/～进攻screen an advance