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V-ERG
（使）成四倍;（使）翻兩番
If someone quadruples an amount or if it quadruples, it becomes four times bigger.
例句
Norway has quadrupled its exports to the EU...
挪威對歐盟的出口已經增加了3倍。
The price has quadrupled in the last few years.
近幾年來價格已經翻了兩番。
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PREDET
是…的四倍；四倍于
If one amount is quadruple another amount, it is four times bigger.
例句
They could sell their merchandise for quadruple the asking price.
他們能夠以4倍于要價的價錢出售他們的商品。
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ADJ
由四部分組成的;四次的
You use quadruple to indicate that something has four parts or happens four times.
例句
...a quadruple murder.
四尸命案