数词
中文翻译：三
同义词：
['three', 'threefold', 'triple例句：1. We need three people to carry the heavy box.（我们需要三个人来搬那个重箱子。）']
例句：
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1. We need three people to carry the heavy box.
我们需要三个人来搬那个重箱子。
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2.The company has grown by threefold since its inception.
这家公司自成立以来已经增长了三倍。
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3. He tripled his savings for a new car.
他为了新车把储蓄增加了三倍。