名词
中文翻译：总和
同义词：
['total', 'sum', 'aggregate', 'totality']
例句：
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1. The teacher asked us to calculate the sum of all numbers in the list.
老师要求我们计算列表中所有数字的总和。
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2. The project's budget was a sum of $50,000.
该项目的预算是50,000美元。
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3. The sum of two numbers is their total value.
两个数的和是它们的总和。