She lit a match to warm up her body.

她点燃了一根火柴，想让身体暖和一下。

Just warm up my body, stretch, and warm up my voice.

让我的身体暖和起来，伸展一下，开开嗓子。

We've evolved to be good at maintaining a warm body temperature.

我们已经进化为善于保持温暖的体温。

He would kill the dog and bury his hands inside its warm body.

他可以把狗杀了，然后把手放到狗温暖的身体里面。

In the eye of evolution, keeping a body warm is expensive and risky.

从进化的角度来说，让身体保持温暖是高消耗和危险的。

So if brown fat gets activated it produces heat so it warms up the body.

所以，当褐色脂肪被激活的时候，它会产生很多热量来温暖身体。

When it is activated - or starts working - it makes heat and that warms up the body.

当它被激活，或者说是开始工作的时候，它会产生热量，温暖身体。

" the ability to detect the radiation from warm bodies would be advantageous for such predators" .

" 它能够探测到来自温暖物体的辐射，那对这类捕食者来说是有利的。"

What we're doing here is I'm just doing jumps just to warm up the body.

我们现在要做的是，跳几次热热身。

This tissue helps keep the body warm and helps it control blood sugar and insulin levels.

这种组织有助于保持身体温暖，并有助于控制血糖和胰岛素水平。

Lots of overlap with major blood vessels because warming the blood effectively warms the whole body.

与主要血管有很多重叠，因为加热血液可以有效地加热整个身体。

Exhale, plant the palm, step it back, downward dog. Find a little movement, warm up the body.

呼气，放置手掌，后退，下犬式。加入一些小运动，热一下身。

This is because we're mammals-we're warm-blooded. We've evolved to be good at maintaining a warm body temperature.

这是因为我们是哺乳动物——我们是温血动物(恒温动物)。我们经过进化，变得很擅长维持温暖的体温。

The downside is that they have to eat more than they otherwise would, in order to keep their bodies warm.

而这样做的弊端是动物们为了保持体温，要比平常吃得更多。

“Warm up” means to prepare for exercise by doing light exercise to increase your heart rate and warm your body.

“热身”是指通过做轻度运动来为运动做准备，以提高心率和温暖身体。

Find a little bit of movement here. Begin to warm up the body. Press into all ten knuckles, spread your fingertips wide.

在这里双脚交替运动。开始热身。把十个指节都压进去，把指尖张开。

Sunlight can penetrate the bear's transparent fur and reach its black skin, which absorbs the sun's heat and warms the bear's body.

阳光可以穿过透明的皮毛，到达黑色的皮肤，吸引太阳的热量，为北极熊起到保暖作用。

It also keeps the body warm and helps to protect your organs.

它还可以使身体保持温暖， 并有助于保护您的器官。

Lotus buried her head in Feather's warm body for a long time.

莲把头埋在羽温暖的身体里良久。

No, too cold. - It's just too cold for my very very warm body.

- 不，太冷了。 - 对我非常非常温暖的身体来说太冷了。