Our tour guide explained how flak damaged many bombers flying over the harbor city.

我們的導遊解說了高射砲火如何擊傷許多飛越這座港口城市的轟炸機。

The museum's shipping crate for the restored flak gun must arrive by Friday.

博物館那門修復好的高射砲，運送木箱必須在週五前送達。

During the meeting, the film's producer requested realistic flak effects for the aerial battle scene.

會議中，電影製片要求為空戰場景做出逼真的防空砲火特效。