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Kids should not carry backpacks that weigh more than 10 to 15 percent of their body weight.

分类: 作业答案 • 2021-12-19 23:26:27

问题描述：

Kids should not carry backpacks that weigh more than 10 to 15 percent of their body weight.

答

孩子们不应该携带书包重量超过10到百分之十五的体重.