Seven per cent of our body weight is blood.

的7%为血液。

What makes up about 15 percent of our body weight?

什么物质构成我们的15%？

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

这适用于不同类别的人。

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

这两只乌龟的降了10%。

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

它们每天能吃掉量达自身三分之一的食物。

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

你用的是，而不是肌力量。

After he loses half his body weight, of course.

当然 是在他减掉了一半的后。

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

但就何为健康的很多青是一知半解。

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

最后，你落地时的受力会是你的七倍。

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25%的食物。”

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

这头公鹿的鹿角大小与使它具备了明显的优势。

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

它们每天得吃相当于自身百分之五十的食物。

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

总来说，参与者的平均减轻了3%。

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

如今我们每吃掉的糖相当于自己的一半。

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

一个成人的50%—70%由水组成。

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

它利用自身的惯性来旋转每一边。

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的。

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

一只蝗虫可以在24小时内吃掉和相当的食物。

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

“嗨。”他说着，伸展了一身躯，心回到之前那只脚。

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

树懒每次外出可以排泄掉惊人的 30% 。