air brake

US /ˈer breɪk/
UK /ˈer breɪk/
"air brake" picture
1.

氣剎, 空氣制動器

a brake operated by compressed air, used especially on heavy vehicles such as trucks and trains

:
The truck driver applied the air brake to slow down on the steep decline.
卡車司機踩下氣剎,以便在陡峭的下坡路上減速。
Trains rely on powerful air brakes for safe stopping.
火車依靠強大的氣剎來安全停車。