Seven per cent of our body weight is blood.

体重7%为血液。

What makes up about 15 percent of our body weight?

什么物质构成我们体重15%？

That applied to people in a range of body weight categories.

这适用于不同体重类别人。

The tortoises had lost about 10 percent of their body weight.

这两只乌龟体重下降了10%。

They'll eat a third of their body weight every day!

它们每天能吃掉重量达自身体重三分之一食物。

You're using your body weight, not necessarily your muscles.

你用是体重，而不是肌力量。

After he loses half his body weight, of course.

当然 是在他减掉了一半体重后。

But teens get mixed messages about what's a healthy body weight.

但就何为体重很多青少年都是一知半解。

Finally, you land with a force equivalent to seven times your body weight.

最后，你落地时受力会是你体重七倍。

So they need to eat 25 percent of their body weight every day.

“所以它们每天需要吃掉相当于自身体重25%食物。”

This male's antler size and body weight give him a clear advantage.

这头公鹿鹿角大小与体重使它具备了明显优势。

It must eat up to 50 percent of its body weight every day.

它们每天得吃下相当于自身体重百分之五十食物。

On the whole, participants reduced their body weight by about 3 percent.

总体来说，参与者体重平均减轻了3%。

Today, we eat up to half our body weight in sugar every year.

如今我们每年吃掉糖相当于自己体重一半。

Water makes up 50 to 70 percent of an adult's total body weight.

一个成年人体重50%—70%由水组成。

It uses the inertia of its own body weight to spin each side.

它利用自身体重惯性来旋转每一边。

When sloths eliminate, they can loose about a third of their body weight.

当树獭便便完毕，它们可以减轻大约三分之一体重。

One locust can eat its entire body weight in just 24 hours.

一只蝗虫可以在24小时内吃掉和体重相当食物。

" Hello, " he says, stretching, shifting his body weight back to the first foot.

“嗨。”他说着，伸展了一下身躯，重心回到之前那只脚。

Sloths can lose an astonishing 30 percent of their body weight each time they go.

树懒每次外出都可以排泄掉惊人 30% 体重。