U-turn
['ju:tə:n]
n. U形转弯, 调头, (方针、政策等的)急速转变
例句与用法:
The government has done a U-turnon its economic policy.
政府的经济政策已经完全改变了。
n.
1. (车辆等的)回转
2. (方针、政策等的)急速转变