| 单词 | quadruple |
| 释义 | quadruplequadruplesquadrupledquadruplingquadruplequadruple /ˈkwɒdrʊpəl, kwɒˈdruː- $ kwɑːˈdruː-/ verb [intransitive and transitive] if you quadruple an amount, or if an amount quadruples, it becomes four times as big: The number of car owners has quadrupled in the last twenty years.numbownerhavequadrupleyear在过去二十年里﹐拥有汽车的人数增长至原来的四倍。 |
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