Carbon monoxide is measured in parts per million in a normal atmosphere.

VOA: special.2010.02.02

But that wouldn't have been sort of a normal, everyday way to talk about a stranger in the ancient world.

但即便在古代，对陌生人这么称呼也不并不常见。

耶鲁公开课 - 新约课程节选

So mostly it's just work and practice and a lot of fun with my friends, but it's pretty normal.

所以，我的本科生活就是学习，训练，和朋友们一块放松，很普通的学生生活。

MIT的时尚品味 - SpeakingMax英语口语达人

Passengers are being encouraged to check ahead with their airlines, to arrive an hour earlier than normal and to bring only a single carry-on bag with them.

VOA: standard.2009.12.27

This is a normal weight laboratory rat given much more than it would-- could necessarily eat of standard laboratory food.

这是一只体重正常的实验鼠,如果我们给它标准的实验室饲料,即使食物分量超出了它的食量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One observer said in a joking way that the space agency was just looking for a group of "normal,everyday supermen."

VOA: special.2009.06.10

If you look at the normal labs that are in many places, you have a lab on Thursday afternoons, and the labs are either two weeks ahead or two weeks behind the lecture material.

如果你了解其他地方,一般的实验室，比如在星期四下午有实验课，这些实验要么是讲座的两周前,要么是讲座的两周后,才进行。

麻省理工公开课 - 媒体、教育、市场课程节选

But it was not a joke. NASA found seven normal, everyday supermen in a group of five hundred candidates.

VOA: special.2009.06.10

Here the unique thing was that there's a restriction site inside that is present in normal DNA and not present in sickle DNA.

刚才例子中,特性就是在正常的基因中,有酶切位点,而在患者的基因中却没有

耶鲁公开课 - 生物医学工程探索课程节选

It would not fit in the normal place on the control board, so we hung it from a wire underneath.

VOA: special.2011.05.14

The point that was just raised here is I had said before that everybody who's neurologically normal comes to acquire and learn a language.

我这里向表达的关键是,我之前说过所有神经上正常的人,都会掌握和习得一种语言

耶鲁公开课 - 心理学导论课程节选

In addition,there is also a difference in the appearance of calorie-restricted monkeys and those on a normal diet.

VOA: special.2009.09.01

It's that I've had more than a normal chances to do something different.

便是自己比普通人有更多的机会,真正做一些事情。

普林斯顿公开课 - 人性课程节选

If a heart beats too slowly, the device will use electrical signals to help set a normal rate.

VOA: special.2010.06.29

In the normal case,I'm in a car accident or whatever it is, and my body stops functioning,my personality stops functioning, and you're left with a corpse.

通常，在车祸或者什么情况作用下，我的生理功能和人格功能同时停止，剩下的就是一具尸体。

耶鲁公开课 - 死亡课程节选

This will help dry the soil. In normal conditions, placing mulch around rose plants is a good idea.

VOA: special.2010.06.15

In a normal--in a simple partnership, the partnership would not be taxed because it's you doing business just as partners, so you are taxed but not the partnership.

简单的合伙制企业,正常情况下是不需要缴税的,因为你是在以一个合伙人的身份来做生意,所以要对你征税而不是合伙制企业

耶鲁公开课 - 金融市场课程节选

If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate.

VOA: special.2010.06.02

And she gave them a normal eyesight chart, measured them, wrote down their performance.

给他们一幅普通的视力表，测量他们的视力，记录结果。

哈佛公开课 - 幸福课课程节选

You may think it is just a normal chocolate until you begin to taste the deep and rich heat of these special spices.

VOA: special.2010.02.17

So the average person, average normal weight of a typical person might consume 2000 calories a day.

普通人,拥有平均体重的普通人,一天大概消耗二千卡

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

why not on Mars,too? I walked toward him and in a normal voice announced my name and said I had come in peace.

VOA: special.2010.07.17

A lot of people get complacent during normal times and they assume that normal times will go on forever.

风平浪静时人们容易变的自满,他们认为这太平盛世会持续到永久

耶鲁公开课 - 金融市场课程节选

But almost everyone else wanted to win the war quickly and return to a normal life.

VOA: special.2011.06.30

He might want to kill them under normal circumstances but the interdependence gives rise to a moral connection.

在普通情况下，他可能会想杀了他们,但互依性产生了道德关系。

耶鲁公开课 - 心理学导论课程节选

The overall key finding of our study is that the patient in Africa receiving antiretroviral therapy for HIV can expect to live a near-normal lifespan."

VOA: special.2011.07.20

So what researchers do is they hope to get enough people in a sample, where overall, you hope to be capturing normal intake.

所以研究者做的是,让尽可能多的人群进入样本,总体上你就可以得到正常的摄入量了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But it also can be so severe that a person cannot live a normal life.

VOA: special.2010.03.30

So let's take a look at the normal situation.

我们在通常的情况下来看看。

耶鲁公开课 - 死亡课程节选

If they're having a coronary artery bypass or they're having a heart transplant, then there's some period at which their normal heart - their heart is stopped and this machine assumes the functions of their heart.

病人在做冠状动脉搭桥手术,或者心脏移植手术时,病人自己的心脏,会停跳一段时间,而这台设备就能代替心脏工作

耶鲁公开课 - 生物医学工程探索课程节选