动词
中文翻译：乘法
同义词：
['multiply', 'multiply by']
例句：
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1.If the population doubles, the number of cars will also increase.
如果人口翻倍，汽车的数量也会增加。
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2. The cost of materials has increased significantly due to the rise in demand.
由于需求的增加，材料的成本显著上升。
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3. To calculate the total amount, we need to multiply the number of students by the average grade.
为了计算总金额，我们需要将学生人数乘以平均成绩。