🔍 進階詞典 🎯
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TOEFL BNC: 1671 COCA: 3843
sum sumsumssummedsumming nounpronunciationThe word sum sounds just like some.1an amount of money: £200 000 is a large sum of money.2the answer that you have when you add numbers together: The sum of two and five is seven.3a simple piece of work with numbers, for example adding or dividing: Children have to learn how to do sums.

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