U-turn
U-turn 英 [ˈju:ˌtɜ:n] 美 [ˈjuˌtən]
n. U形转弯；掉头；大转变 vi. 作U形转弯
名词复数:u-turns
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- n. U形转弯；掉头；大转变
- vi. 作U形转弯
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1. At that point officials performed a U-turn and began negotiating an emergency rescue.
在那时，政府官员开始”U型”大转弯，准备商讨进行紧急救援。
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2. Using this model, Zhang and his team then designed a plasmonic waveguide with a 180 degree bend that won�t alter the energy or properties of a light beam as it makes the U-turn.
使用这个模型，然后张和他的团队设计了一个180度的弯曲，将不会改变能源或光束性能，因为它使掉头一电浆子波导。
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3. This reversal -- a U-turn from rising interest rates and falling expectations that the Federal Reserve will move on rates anytime in 2010 -- has also turned income investors' strategies inside out.
这样一种逆反——U型转变，从利率增加到美联储可能会在2010年中随时变化利率的期望落空——也让收益投资者的策略彻底改变。
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