名词
中文翻译：一半
同义词：
['doubling', 'half']
例句：
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1.He decided to take a half-hour break after lunch.
他决定在午饭后休息半小时。
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2.The company has decided to cut its workforce by half.
该公司已决定将其员工数量减半。
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3.Half an hour later, the sun was setting over the horizon.
半小时后，太阳正缓缓沉入地平线。