Now, the prefrontal cortex, that youngest part of our brain from an evolutionary perspective, it understands on an intellectual level that we shouldn't smoke.

其实，前额叶皮质，从进化角度来看， 那是脑最年轻部份，它明白，理智上不应该抽烟。

A vigilant part of the self gets agitated; it distracts us, it makes us feel tired or gives us a strong need to go online.

自警惕部份骚动了起来；它使分心，它让感到疲累或者强烈地驱使着去上网。

But it turns out there's a small portion of the population, who exercises too much - to the point where it may actually kill them.

但事实上有一小部份人，他运动过量——到了会致死地步。

And there's one more part of you that lasts your whole life. Months before you were born, a little cluster of cells stretched and filled themselves with transparent protein.

还有一个部份是会跟着你一生。在你出生数个月前，一小群细胞会利用透明蛋白延展充填自己。

And what was the most difficult part of playing her?

饰演她最困难部份是什么？

Why does the pronunciation change? It mostly depends on the sound before the contraction.

为什麽发音会变呢？ 这部份取决於缩读形式之前字发音。

Most of his paintings are immediately recognizable.

他部份作品都可一眼认出。

Most of us think of chocolate and baskets as traditional Easter gifts.

部份人都视巧克力篮子 为传统复活节礼物。

We know that such learning is not authentic because most of it is gone the day after the exam.

了解这样学习方式是不切实，为部份知识在考试过后都会忘记。

The focus in media is mostly on people hurting other people.

媒体关注部份都是那些伤害别人人。

Cool, so this is something that's like a staple for me.

酷，这对来说就是酱料主要部份。

It's depicted in orange on the screen.

它是在萤幕上橘色部份。

For most people, even for their entire lives, it is simply a joining of exteriors.

“对于部份人来说，终其一生也只能拥有外在交流。

Most prejudice is rooted in ignorance and fear.

部份偏见都根植于无知恐惧。prejudice 偏见。

The hard part's what comes next. Aren't you worried about the results?

接下来才是最困难部份 你难道不担心结果吗？

You can get most cold remedies over the counter.

部份感冒药都可以直接透过柜台买到。

Most people do not understand the mechanics of crowd control or public speaking and are terrified by even the notion of appearing alone in front of what many perceive as a hostile group of people.

部份人都不懂得如何掌握群众演说技巧，此一想到要单独站在这群他认为具有敌意群众面前，便感到害怕。

We readily suppose that a lot of people have flat stomachs.

可能以为部份人都没有肚腩。

All those voting not guilty, please raise your hands.

最快方法是先表决无罪部份。

In places such as San Diego, which has measly and brackish groundwater and currently imports 90% of its water, the answer must be greater conservation, as much reuse as possible, with most of the rest coming from the sea.

圣地亚哥拥有地下水储量既少，盐份又高，如今其90%用水需从外地引入。在像圣地亚哥这样地方，其对策是尽可能节约用水、循环利用，而剩余不足部份则多从海洋中获取。