名词
中文翻译：无
同义词：
['无U型转向信号，无U型转向灯例句：1. The road was so busy that there were no U-turn signs to guide us.（那条路太拥挤了，以至于没有U型转向标志来指引我们。）2. The driver had to make a U-turn without any warning signs.（司机不得不在没有任何警告标志的情况下进行U型转弯。）3. The police officer noticed the car making a U-turn without any traffic lights.（警察注意到那辆车在没有任何交通信号灯的情况下进行U型转弯。）']
例句：
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1. The road was so busy that there were no U-turn signs to guide us.
那条路太拥挤了，以至于没有U型转向标志来指引我们。
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2. The driver had to make a U-turn without any warning signs.
司机不得不在没有任何警告标志的情况下进行U型转弯。
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3. The police officer noticed the car making a U-turn without any traffic lights.
警察注意到那辆车在没有任何交通信号灯的情况下进行U型转弯。