VOA慢速英语:Millions of Americans Suffer From Hair Loss

短语讲解：

1. Today we talk about hair.

talk about 讨论，谈论
例句：The president did talk about china's trade policies.
奥巴马总统也谈到了中国贸易政策。

2. Whether long or short, curly or straight, hair often gets a lot of attention.

a lot of 许多的；诸多
例句：What happened? We heard a lot of yelling.
发生了什么事？我们听到许多争吵声。

3. The hair sticking out from the skin is known as the hair shaft.

be known as 被认为是；号称；叫做
例句：He who plots evil will be known as a schemer.
设计作恶的，必称为奸人。

4. In time, the old cells are cut off from the blood supply and begin to form a hard protein called keratin.

cut off 切除；切[隔]断
例句：How much do you want me to cut off?
您的头发要剪掉多少？

5. These dead cells and keratin are what make up the hair shaft.

make up 弥补
例句：We should make up for the lost time.
我们应该弥补失去的时间。

6. Finally, hair growth comes to a complete stop and the hairs begin to fall out.

fall out 争吵；结果
例句：Husband and wife often fall out over small matters.
先生和太太常常为了小事翻脸。

7. By the time she was 13, all of her hair had come out.

come out 出来；出现
例句：Can you please come out?
可以请你出来吗?

8. In 2010, researchers at Columbia University Medical Center in New York reported findings that they hope will help lead to a cure.

lead to 把…带到；领到
例句：This may even lead to death.
这甚至可能导致死亡。