1 N-COUNT U型转弯;180度转弯;掉头 If you make a U-turn when you are driving or cycling, you turn in a half circle in one movement, so that you are then going in the opposite direction. U型转弯;180度转弯;掉头
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Making a sharp U-turn, she headed back.
她猛地掉转车头,往回开。
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Eventually, he turned off the main route and suddenly did a U-turn.
最后,他驶离主道,来了一个急掉头。
2 N-COUNT (政治家在政策、计划、行动方面的)180度大转弯,彻底转变 If you describe a change in a politician's policy, plans, or actions as a U-turn, you mean that it is a complete change and that they made the change because they were weak or were wrong. (政治家在政策、计划、行动方面的)180度大转弯,彻底转变 [disapproval]