It's a stimulant drug, helping the brain get messages to the body quicker.

咖啡因是一种刺激性药物，帮助大脑更快地将信息传递给身体。

All right, you're not zen. You're numb.

说了这么半天，你这哪是看开了，分明是受刺激变麻木了嘛。

Psychologists at the University of Toronto found that viewing a fast-food logo for just a few milliseconds primes us to read 20 percent faster, even though reading has little to do with eating.

即便阅读和吃东西没什么关系，短短几毫秒的时间看一家快餐店的标志还是会刺激人们提高 20％ 的阅读速度。

You let the environment control you and you're simply a person reacting to stimuli.

你让环境控制了你，你只是一个对刺激物作出反应的人而已。

A sensation-seeker is someone who's always looking for new sensations.

一个寻求刺激的人常寻找新的感觉。

Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.

4。由于苯酚对人体带有刺激性作，它基本上已不再被当作常的防腐剂了。

And the photos appear to stimulate brain regions associated with emotion and reward.

这些照片似乎可以刺激大脑中与情绪和奖赏相关的区域。

Some coasters given chills and thrills are called Wonder Woman, Flight of Courage, Twisted Colossus.

这些让人感到惊险刺激的过山车有着不同的名字，比如神奇女侠、勇气之旅、扭曲巨像。

STEP 4 Try an over-the-counter treatment that stimulates hair growth.

尝试刺激头发生长的非处方疗法。

Acupuncture points are stimulated to balance the circulation of qi.

通过刺激穴位从而平衡气的流通。

It continues doing this, and the irritant grows into a shiny pearl.

它们反反复复进行着这个过程，这样下去，刺激物就会长成一颗闪亮的珍珠。

Traveling by plane is exciting, but it can also be very tiring.

搭乘飞机旅行很刺激，但也可能很累人。

Let's ramp this up, shall we? Truth or dare?

我们来点刺激的吧？真心话还是大冒险？

452. The current occurrence of torrent spurs him to buy fur and sulfur.

最近的流事件刺激他去买皮毛和硫磺。

Often a drop of irony into an indifferent situation renders the whole piquant.

在平淡无味的情景中，加入一滴调侃戏虐的成分，往往就会使整个形势变得富有刺激性。

Thrill-seekers will find themselves overwhelmed with options.

寻求刺激的人会发现这儿的选择太多了。

Asthma attacks can be triggered by pollen, dust, harsh chemicals or scents.

花粉、灰尘、刺激性化学物质或气味可引发哮喘。

I was alarmed and intimidated by the calm eyes of fellow students, who came here from Dalton or Exeter who thought that compared to high school the workload here was easy.

我被同学们冷静的眼神刺激并吓到了，他们从道尔顿或埃克塞特毕业，认为和高中相比，这里的作业量少之又少。

And you facilitated this brilliantly, feeding my passion, encouraging it.

正是你们促成了这一切，这一切一直刺激着我的激情。

I find personally more motivating than the - - the defensive argument.

我个人认为这样做更有刺激性。