战斗机和轰炸机知道黎明时分起飞。
会出现各种船只，防空火炮，战斗机和轰炸机。
There will be a variety of vessels, air defense artillery, combat aircraft and bombers.
他们所进行的是涉及战斗机和轰炸机的实弹演习，而之前此类行动曾是入侵的前兆。
They are engaged in live-fire drills involving fighter aircraft and bombers—the sort of manoeuvres that have presaged invasion before.
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