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1·Wool traps your body heat, keeping the chill at bay.

羊毛织物能留住你的身体热量，阻挡寒气。《柯林斯英汉双解大词典》

2·We also know that large animals can't easily get rid of excess body heat.

我们也知道，大型动物不容易排出身体多余的热量。

3·Hatchlings are simply too small to conserve body heat, even with insulation and countercurrent exchange systems.

刚孵出的小海龟太小了，即使有保温和逆流交换系统，也无法保持体温。

4·Huxley speculated that a coat of hair would insulate against loss of body heat and might streamline the body to reduce drag in flight.

赫胥黎推测，一层毛发可以隔离身体热量的流失，并可能使身体呈现流线型，以减少飞行中的阻力。

5·Last year Glenn Tattersall of Brock University in Ontario, Canada, found the toco toucan loses up to 60 per cent of its body heat through its beak.

去年，加拿大安大略布鲁克大学的格伦·塔特索尔发现，托哥巨嘴鸟身体中高达60%的体温都会通过其喙部流失。

6·A leatherback may be able to pick up some body heat by basking at the surface; its dark, almost black body color may help it to absorb solar radiation.

棱皮龟可以通过在水面上晒太阳来为身体获取热量；深色近乎黑色的身体颜色可以帮助它吸收太阳辐射。

7·Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.

头部的血管收紧以阻止身体热量的流失，然后放松让血液流动起来，血液的突然涌入是引起头痛的原因。

8·Exercise warms you up, but it also causes you to lose body heat.

运动使你暖和起来，但也让你散失体热。

9·The response is to increase blood flow to the area and increase body heat.

应对方法是增加流向该区域的血流量并升高体温。

10·About 40% of your body heat is lost through your head.

大约有40%的热量是从头顶散发出去。