power steering

US /ˈpaʊər ˌstɪrɪŋ/
UK /ˈpaʊər ˌstɪrɪŋ/
"power steering" picture
1.

动力转向, 助力转向

a system in a vehicle that uses a hydraulic or electric mechanism to reduce the effort needed to steer the wheels

:
Modern cars usually come equipped with power steering.
现代汽车通常配备动力转向
My old truck doesn't have power steering, so it's harder to turn.
我的旧卡车没有动力转向,所以转弯更困难。