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，而有的可能要一直等到 14 或 15 岁。

All coupled with the complicating factor of puberty.

再加上青春的复杂素。

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

这个阶段从青春开始一直持续到快三十岁。

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

不过也不用担心，到青春就大约会有30万颗卵子。

The treatment for a delay in puberty depends on the cause.

青春的治方式而异。

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

你不会为度过了青春就完全理解笑声。

Generally, girls tend to enter puberty two years ahead of boys.

一般来说，女孩子比男孩子早两年进入青春。

The disruption in hormones prevents puberty from beginning or successfully completing.

激素的中断阻止了青春发育开始或完成。

However, could we leave home and look after ourselves at puberty?

但是，进人青春后我们就可以离家自立了吗？

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

“雄激素性”头发是由青春性激素的产生引起的。

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。

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。

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

好，那青春呢？ 青春总是很讨厌。

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

她还没到青春，要是有性行为会不会太奇怪了？

Think what we've learnt by puberty. We've learnt to read and write.

想一想我们到了青春时学到了什么？我们学会了读书和写字。

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

尽管大多数人在青春后可能不太喜欢这种感觉。

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

对于要过渡到成年阶段的青少年来说，青春通常是让人感到迷惑的。

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

对了，你的胡子不错，青春一到就会茂盛起来。

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，皮脂分泌也会增加。

It's damp, puberty, so until she outgrows it, she will have to remove this fur.

这是潮湿的 青春 所以在她长大之前 她必须把这毛去掉。