英语词汇“add and subtract”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	add and subtract
释义	add and subtract 基本例句加减 We do addition and subtraction in arithmetic.在算术里，我们作加减运算。 Children should be able to add and substract in the third grade.儿童应该在三年级的时候能够进行加减运算。
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