掩護
?cover;shield;screen;shelter
?cover;guise;cloak
保衛(wèi)人員用身體～總統(tǒng)。The security personnel shielded the President with their bodies./在大炮的～下進攻。The troops advanced under cover of the batteries./以…作～ use sth as a cover/在宗教的～下進行特務(wù)活動carry out espionage under the garb (or cloak)of religion/以國際職員的身份作～work under the guise of an international civil servant/～部隊covering force/～部隊的撤退cover the evacuation of forces/～火力covering fire/～進攻screen an advance