air-cover

常见例句

Air cover, especially during a military operation.
掩護幕空中掩護，尤其是在軍事行動期間
For this operation we need plenty of air cover.
爲進行這次軍事行動, 我們需要充足的空中掩護。
The ships would no longer have air cover from carriers.
船艦將不再有航空母艦的空中掩蓋。
The ships needed air cover once they reached enemy waters.
已到達敵方的水域，船衹就需要空中掩護。
For this operation we need plenty of air cover,ie protection by military aircraft.
爲進行這次軍事行動，我們需要充足的空中掩護。
The ships needed air cover(= protection by military planes)once they reached enemy waters.
一到達敵方的水域，船衹就需要空中掩護。