air raid
US /ˈer reɪd/
UK /ˈer reɪd/
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。