| 单词 | 成三倍 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔treble〕To make or become triple.增加三倍或成三倍的美国传统〔triple〕To be or become three times as great in number or amount.增至三倍，成三倍美国传统〔triple〕To make three times as great in number or amount.使增至三倍，使成三倍美国传统〔triplicate〕To make threefold; triple.乘以三，使成三倍，使增至三倍美国传统 |
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