名词
中文翻译：Unknown
同义词：
['retract', 'retraction', 'withdraw', 'withdrawal']
例句：
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1. The policeman used his retractor to open the door.
警察用他的拉出器打开了门。
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2. The company is considering a retraction of its previous statements.
该公司正在考虑撤回之前的声明。
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3. The student had to withdraw from the exam due to illness.
学生因病不得不从考试中退出。