| 释义 |
U-turnBrE /ˈjuː tɜːn/NAmE /ˈjuː tɜːrn/ nouna turn of 180° that a vehicle makes so that it can move forwards in the opposite direction （汽车等的）U 形转弯，180 度转弯◆to do/make a U-turn 掉头(informal) a complete change in policy or behaviour, usually one that is embarrassing （政策、行为上令人尴尬的）彻底转变，180 度大转变 |