英语词汇“mental arithmetic”的意思、释义、用法及双语翻译-时代网

词汇	mental arithmetic
释义	mental arithmetic ˌmental aˈrithmetic noun [uncountableU] HMNthe act of adding numbers together, multiplying them etc in your mind, without writing them down 心算 I did a quick bit of mental arithmetic. 我很快地心算了一下。 Examples from the Corpus mental arithmetic• A quick bit of mental arithmetic was enough to make Chrissy weak at the knees.
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