名词
中文翻译：三重物
同义词：
['triplicate', 'triple-worded']
例句：
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1. The company's annual report tripled in size last year.
该公司去年的年报规模扩大了三倍。
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2. This is a triple-worded dictionary that can be used for learning Chinese.
这是一本可以用于学习汉语的三重词词典。
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3. The tripling of the population has led to increased demand for resources.
人口的三倍增长导致对资源的增加需求。