air-cover

常见例句

Air cover, especially during a military operation.
掩护幕空中掩护，尤其是在军事行动期间
For this operation we need plenty of air cover.
为进行这次军事行动, 我们需要充足的空中掩护。
The ships would no longer have air cover from carriers.
船舰将不再有航空母舰的空中掩盖。
The ships needed air cover once they reached enemy waters.
已到达敌方的水域，船只就需要空中掩护。
For this operation we need plenty of air cover,ie protection by military aircraft.
为进行这次军事行动，我们需要充足的空中掩护。
The ships needed air cover(= protection by military planes)once they reached enemy waters.
一到达敌方的水域，船只就需要空中掩护。