Seven per cent of our body weight is blood.

重的7%为血。

What makes up about 15 percent of our body weight?

什么物质构成我们重的15%？

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

这适用于不同重类别的人。

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

这两只乌龟的重下降了10%。

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

它们每天能吃掉重量达重三分之一的食物。

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

你用的是重，而不是肌力量。

After he loses half his body weight, of course.

然 是在他减掉了一半的重后。

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

但就何为健康的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，你落地时的受力会是你重的七倍。

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

“所以它们每天需要吃掉相于重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重使它具备了明显的优势。

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

它们每天得吃下相于重百分之五十的食物。

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.

如今我们每年吃掉的糖相于己重的一半。

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

一个成年人重的50%—70%由水组成。

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

它利用重的惯性来旋转每一边。

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

树獭便便完毕，它们可以减轻大约三分之一的重。

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

一只蝗虫可以在24小时内吃掉和重相的食物。

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

“嗨。”他说着，伸展了一下躯，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的 30% 重。