He has the perfect body scale: wide shoulder and slender haunch.

他拥有最完美的身体比例：肩宽而腰瘦。

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If you're dehydrated or have eaten too much salt, your body may actually retain water, which can cause scale weight to creep up.

如果你脱水或者吃了太多的盐，你的身体实际上保留了水，这样会导致体重秤读数上升。

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Increase in muscle can offset decreases in fat so the scale doesn't change even if your body is.

即使你的身体发生了变化，体重却不一定也会变化，因为增加的肌肉重量会抵消减少的脂肪重量。

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Mullenweg uses the Withings Body Scale to give him accountability on staying fit.

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Withings, which makes a WiFi body scale, sends your stats online each time you weigh yourself.

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After embarking on a gadget-fueled quest to shed poundage, your humble narrator has been using the connected body scale for the last few months, so when it came time to upgrade, we just needed to put in our Withings account details.

ENGADGET: Withings WS-30 WiFi bathroom scale hands-on Hands-on