air raid

US /ˈer reɪd/
UK /ˈer reɪd/
"air raid" picture
1.

空袭, 空袭警报

an attack by aircraft, especially on a ground target

:
The city was under constant threat of air raid during the war.
战争期间,这座城市一直受到空袭的威胁。
An air raid siren wailed, signaling danger.
空袭警报响起,预示着危险。