Adrenaline increases the ratio of apocrine to eccrine sweat, so body odor can be more intense when you're nervous.

肾上素会提高大汗对小汗的汗液比率，所以在你紧张之时体臭会更加严重。

Sweat from the eccrine glands doesn't interact with bacteria, so it doesn't smell.

小汗排出的汗液不会与细作用，因此没有气味。

There are two types of sweat glands - apocrine and eccrine.

汗有两种类型：顶泌汗和小汗。

The other type is the eccrine gland.

另一种是外泌汗。

All mammals have two types of sweat glands:   apocrine glands and eccrine glands.

所有哺乳有两种类型的汗：顶泌汗和外泌汗。

Adrenaline increases the ratio of apocrine to eccrine sweat, so body odor can be more intense when you’re nervous.

肾上素会增加大汗与小汗汗液的比例，因此当您紧张时， 体味会更加强烈。

Much of their bodies are covered in eccrine glands, with apocrine glands only  in certain places, like the armpits.

他们的身体大部分覆盖着外泌汗，而顶泌汗只存在于某些部位，比如腋下。

Those with more eccrine glands  were able to sweat more.

那些外泌汗较多的人能够出汗更多。

They found that we have between 2 and  5 million eccrine glands in total, 10 times more than chimpanzees have!

他们发现我们全身共有200万到500万个外泌汗，是黑猩猩的10倍！

Eccrine glands produce watery sweat and are usually only found on the  undersides of hands and feet, helping animals grip things through friction.

外泌汗产生水样的汗液， 通常只存在于手心和脚底，帮助通过摩擦力抓住东西。

A group of scientists actually sat  down and counted how many eccrine sweat glands and hair follicles we  have compared to other primates.

一组科学家实际坐下来统计了我们与其它灵长类比拥有多少外泌汗和毛囊。

Your body has millions of sweat glands, and they come in two major types: eccrine glands are found all over your skin and secrete mainly water and salt.

一种是遍布全身的小汗，分泌的主要是水和盐。