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

有轻人可能从 8 就开始进入青春期，而有可能要一直等到 14 或 15 。

I feel that children's tastes in books change as they reach adolescence.

我觉得孩子在进入青春期后对书品味会发生变化。

Now, apparently, it’s not only our hormones that change when we reach adolescence – that’s the age when we start changing into an adult.

显然，我进入青春期后不仅是体内荷尔蒙发生改变，我开始变为成人了。

But a few of them went through puberty early this year, so...

不过其中一些孩子今提早进入了青春期。

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

一般来说，女孩子比男孩子早两进入青春期。

Is there any chance I'll hit puberty in the next few weeks?

我有可能在接下来几周间进入青春期吗？

It's in between what's written, but there is an inference that our version of Jimmy's mother at a time of him coming a man, you know, hitting puberty and having sort of burgeoning sexuality.

虽然是在字里行间，但有一个推论，我对吉米母亲描述是在成长为一个男人时候，你知道，进入青春期，性征迅速成长。

Children are typically born with an early circadian rhythm, but when they enter puberty, their melatonin and cortisol kick in later, and as a result their bodies react less to light and get sleepy about 2 hours later.

儿童通常出生时昼夜节律较早，但进入青春期后，褪黑激素和皮质醇开始分泌时间会较晚，因此身体对光线反应较弱，大约2小时后就会感到困倦。

While the set points for 10-year-old identical twins were the same or very close to one another, they diverged sharply as the twins moved through adolescence and into adulthood, which suggests that genetic predisposition played only a part.

虽然10同卵双胞胎设定值是相同，或者非常接近，但随着双胞胎从青春期进入成期，设定值急剧偏离，这表明遗传倾向只起了一部分作用。

Professor Sir Stephen O'Rahilly from Cambridge University told the BBC: “It tells the body we're great here, we've got lots of food, so grow quickly, have puberty soon and make lots of babies.”

剑桥大学教授斯蒂芬·奥拉希利爵士告诉 BBC：“这告诉我身体，我在这里很棒，我有很多食物，所以长得很快，很快就会进入青春期，生很多孩子。”

She says that people who have not reached puberty still have enough muscle and brain plasticity to allow their brain to control their mouth muscles.

她说，尚未进入青春期人仍然有足够肌肉和大脑可塑性，让大脑控制口腔肌肉。

It can be a challenge when a child enters into adolescence, so I was thinking... does Lily have any aunts or any other female figures in her life?

孩子进入青春期时可能是个挑战，所以我想着莉莉生活中有没有姑妈或者其女性长辈出现？

But I was growing toward adolescence and had to admit that Mr Houghton was not the only one with an irresistible spring in his neck.

但是，当我进入青春期，我不得不承认霍顿先生并非唯一一位脖子被不可抗拒弹簧所控制人。

When children reach adolescence, a cascade of hormones are released, causing mood swings, impulsive behavior and an unbelievable amount of eye rolling.

当儿童进入青春期时，会如水库泄洪般分泌荷尔蒙，造成情绪波动、冲动行为与超大量翻白眼行为。

A constitutional delay can resolve on its own with a natural onset of puberty, and does not typically require medical intervention.

体质性延迟可自发缓解并正常进入青春期，通常不需要进行医学干预。

By the time they had reached adolescence, all three sisters had accumulated well over ten thousand hours of specialized practice.

到她进入青春期时，三姐妹都已经累计进行了超过一万小时专项练习。

A second was when the animals were older-an age roughly equivalent to the period just before adolescence in humans.

第二次是在动物更大一点时候—这个龄大致相当于人类进入青春期之前时期。

Well, I had just begun puberty. It was figuratively and literally one of the hairiest moments of my life.

当时才刚开始进入青春期。所以无论从实际或比喻上来说，那都是我最" 毛" 孩子一段日子。

Nowadays kids grow about 2 inches or so per year from age three until they hit puberty.

现在孩子从三到进入青春期，每大约长2英寸左右。

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

一般说来，女孩子比男孩子早 2 进入青春期。