A young person may begin puberty at 8, while another may not start puberty until 14 or 15.

有的年轻人可能从 8 岁就开始进入青春期，而有的可能要一直等到 14 或 15 岁。

Kind of a signpost that says, " You are now entering puberty."

而我们就像标示牌，" 欢迎来到青春期。"

She hasn't hit puberty yet. Isn't it weird she'd be having sex?

她还没到青春期，要有性行为会不会太奇怪了？

And I was kind of wolf-like singing at 13, you know, hairy, puberty days.

我 13 岁时就有点像狼一样唱歌，也就那个毛发旺盛、正值青春的年纪。

Puberty can often be a confusing time for a young adolescent flowering into manhood.

于要过渡到成年阶段的青少年来说，青春期通常让人感到迷惑的。

This stage lasts from puberty right up until your late 20s.

这个阶段从青春期开始一直持续到快三十岁。

" Androgenic" hair is triggered by the production of sex hormones during puberty.

“雄激素性”头发由青春期性激素的产生引起的。

Although most people probably don't feel like that after puberty.

尽管大多数人在青春期后可能不太喜欢这种感觉。

By puberty, she is left with about 400,000.

到了青春期，就只剩下大约40万。

Puberty is the period of life when a child becomes an adult.

青春期孩子成长为成年人的人生阶段。

Which explains why acne is so much more of a problem during puberty.

这就解释了为什么粉刺多发于青春期。

So during puberty, when the hormones are highly active, there's an increase in sebum production.

所以在激素高度活跃的青春期，皮脂分泌也会增加。

See, I'm finally going through puberty right now on " Wired."

看，我终于在《连线》中度过了青春期。

In general, girls start puberty two years before boys do.

一般说来，女孩子比男孩子早 2 年进入青春期。

Nice moustache by the way. When puberty hits that thing's really gonna kick in.

了，你的胡子不错，青春期一到就会茂盛起来。

These are young people that are trying to adapt to puberty.

这些年轻人正在努力适应青春期。

But don't worry, by puberty you have around 300,000.

不过也不用担心，到青春期就大约会有30万颗卵子。

Puberty is the biological changes that cause a person to become a fertile adult.

青春期发生的生理变化使一个人成为一个有生育能力的成年人。

Then how about puberty? Come on! That's always a painful time.

好，那青春期呢？ 青春期总很讨厌。

You don't understand laughter fully by the time you hit puberty.

你不会因为度过了青春期就完全理解笑声。