They used a system of measurement called the Body Mass Index to define words like obese and overweight.

VOA: special.2009.07.21

Now, gravity, well force, is equal to mass times acceleration, g and the acceleration due to gravity is g.

是重力，等于质量乘以加速度，由重力导致的加速度是。

麻省理工公开课 - 热力学与动力学课程节选

And in terms of equations that we use, it's sometimes easier to plug in the fact, since momentum is equal to mass times velocity.

在我们使用方程这方面，事实上有时是很容易代入的，因为动量等于质量乘以速度。

麻省理工公开课 - 化学原理课程节选

"Mass" is the closest Mister Bernstein ever came to joining the styles of Broadway and classical music.

VOA: special.2009.08.02

And these upheavals are leading to mass migrations, migrations of people.

这些急剧兴盛带来了大移民，人口的大迁徙。

耶鲁公开课 - 旧约导论课程节选

But that attempt was canceled after a storm caused a giant mass of snow to slide down the mountain, killing seven ethnic Sherpa guides.

VOA: special.2010.06.30

That's connected to mass times acceleration.

然后就能和质量乘以加速度联系上了

耶鲁公开课 - 基础物理课程节选

She was trying to gather strength and courage to push through a mass of busy shoppers.

VOA: special.2009.09.05

And then I convert that to mass, and that gives me 24.7 kg of titanium.

换算成质量，就是24。7kg的钛。

麻省理工公开课 - 固态化学导论课程节选

The mass killing of sharks continues because very few countries have rules to protect the creatures.

VOA: special.2009.04.03

Some people would say, Well, there's still a part of our church, there's still a part of our Mass, there's still a part of our synagogue, we don't have to hire someone who doesn't agree with our principles.

一些人会说，我们仍保留着部分教堂生活，仍然保留着部分弥撒活动，仍保留着部分犹太教会堂，我们不必雇佣一个,不赞同我们原则的人。

普林斯顿公开课 - 人性课程节选

Body mass index,or BMI, is a measure of a person's weight in relation to height.

VOA: special.2011.02.15

The cells of this cluster inside next to the fluid filled cavity is a region of the blastocyst called the inner cell mass.

而这簇细胞的内侧,毗邻于充满液体的空腔的一侧,这些细胞在囊胚中称为内群细胞

耶鲁公开课 - 生物医学工程探索课程节选

So someone returning from mass displacement, even though I'm sure are thrilled to be going home, they bring with them all sorts of challenges upon their return."

VOA: special.2011.07.06

This is what he says in this first passage. He says: If we study speech from several viewpoints simultaneously, the object of linguistics appears to us as a confused mass of heterogeneous and unrelated things.

这也是他在第一篇文章里说的话：,我们同时从几个角度读这篇文章，这时语言学乱的像一锅粥,没有系统毫无关联性。

耶鲁公开课 - 文学理论导论课程节选

Visitors can see how an active volcano adds mass to the island.

VOA: special.2010.09.08

First is the body mass index, you're going to see this a lot and you--some of you probably know about it already because it's out there in the popular literature.

首先是体重指数,我们会经常碰到这个概念,你们也许已经知道这个概念了,它经常在科普读物中出现

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And,he captured them temporarily to record their mass, length and estimated age.

VOA: special.2009.07.07

We'll run about thirty seconds over as we listen to the "Lacrimosa" Out of the "Dies irae" Out of the Requiem Mass of Wolfgang Amadeus Mozart written in Vienna 1791.

我们要多听三十秒,《末日经》里的《落泪之日》,沃尔夫冈·阿玛迪乌斯·莫扎特的《安魂弥撒曲》,写于1791年维也纳

耶鲁公开课 - 聆听音乐课程节选

But they say governments can do more to prevent mass killings.

VOA: special.2010.04.03

I want to raise the stakes beyond using Mass. Ave.

如果其中的利害关系，超越使用麻省的路。

耶鲁公开课 - 公正课程节选

In this project,scientists hope to prove that neutrinos have mass.

VOA: special.2009.07.21

We have a table of the elements with properties varying periodically with atomic mass, so we compress all of that information and refer to it as the Periodic Table.

我们有一个元素表，其中的元素的特性,随着原子质量的改变而引起周期性的变化，所以我们将所有的信息精简,将它变成一个周期表。

麻省理工公开课 - 固态化学导论课程节选

There is a mass of detailed work to be done.

VOA: special.2009.11.01

And that's really neat to think about, because photons, of course, are massless particles, they have no mass, so it's neat to think about something that has no mass, but that actually does have a momentum.

而且那真的不容易想明白，因为光子，当然是无质量的粒子，它们没有质量，所以这个真的不容易想明白,一些物体没有质量，但是它们事实上确实有动量。

麻省理工公开课 - 化学原理课程节选

They also encourage people to work from home on a regular basis and use mass transit when they do commute.

VOA: standard.2010.07.26

Further, the nucleus is assumed to be the seat of the essential part of the mass of the atom, and to have linear dimensions exceedingly small compared with the linear dimensions of the whole atom."

进一步的，核被认为是,原子主要质量所在的地方，和整个原子线性尺度相比,核具有很好的线性尺度“

麻省理工公开课 - 固态化学导论课程节选

Health officials say trials have gone smoothly and Australia could be the first country anywhere to start a mass immunization program.

VOA: standard.2009.08.25

The idea of working in an office, pushing papers 70 to 80 hours a week, although as lucrative as it might be, wasn't something I felt I will be really using my own personal skill set to benefit people on a mass level.

在办公室里一周做，70到80小时的琐碎工作，虽然会很赚钱，但是这并不是,我能真正用自己的能力,去造福大众的工作。

普林斯顿公开课 - 人性课程节选

Mass of an object is how much it hates to accelerate in response to a force.

物体的质量,反映了物体在力的作用下加速的难易程度

耶鲁公开课 - 基础物理课程节选