The body mass index is a tool used to determine the healthy weight range for a particular height.

体重指数是一种用于根据特定身高来决定体重范围的工具。

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The researchers give warning that everyone should be at the lower end of the healthy weight range.

研究人员警告说人人都应该把体重保持在最低的健康范围内。

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The recommended weight gain for a woman within the normal weight range for her height is 25 to 35 pounds.

对在正常体重范围内的女性建议的体重増加量根据身高是从25磅到35磅。

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