Infection can spread through touching an infected surface and then touching your eyes, nose or mouth.

VOA: special.2009.07.14

The kinds of proteins that sit on a cell surface and form adhesion junctions with neighboring cells, that's one class of cells on the surface.

这些蛋白位于细胞表面,和相邻的细胞建立粘附链接,这是细胞的一个种类

耶鲁公开课 - 生物医学工程探索课程节选

because when you're up on that point, you see anything that's in the water, anything close to the surface and,

因为当你站在那里的高处，你能看到贴近水面的一切，而且，

圣莫尼卡之景点 - SpeakingMax英语口语达人

Drop the seeds over the surface and cover them lightly with soil.

VOA: special.2009.04.28

We've learned how to identify and catalog cells according to the composition of proteins on the surface and those proteins that distinguish a cell are often called marker proteins.

我们学会了如何按照表面的蛋白成分,来识别并分类细胞,而这些用来区别细胞的蛋白,通常称为标记蛋白

耶鲁公开课 - 生物医学工程探索课程节选

"We know that surface use of dispersants decreases the environmental risk to shorelines and organisms at the surface and we know that dispersants break down over weeks rather than remaining for several years as untreated oil might."

VOA: standard.2010.05.18

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

Space scientists have collected a wealth of information from spacecraft that have orbited,landed on and dug into the Martian surface.

VOA: special.2010.07.28

And the figure of the poetic rewards for chastity continues to surface throughout Milton's early works.

同时，因为操守贞洁而受到诗意赞美的人,贯穿了弥尔顿的早期作品。

耶鲁公开课 - 弥尔顿课程节选

The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.

VOA: special.2011.04.06

So, I think the marketing function, the best aspect and the best it can do is surface the product as much as possible.

所以我觉得营销功能，最有力，最强大的一面,就是让这个产品尽可能多地显露出来。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.

VOA: special.2009.12.30

And this is kind of nice because you see it is not an abrupt spherical surface.

这种动画很好,因为你从中看到的并不是一个唐突的球面。

麻省理工公开课 - 固态化学导论课程节选

Professor Roark says knowing the age of the corals might help scientists understand earlier water conditions and ocean surface productivity.

VOA: special.2009.05.12

And shortly thereafter this thickening of the outer surface is dimpling in, its invaginating.

增厚的外胚层很快就,向内凹陷。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Plate tectonics is the area of science that explains why the surface of the Earth changes and how those changes cause earthquakes.

VOA: special.2010.01.12

There's no ladder, no differences between CEO and an average engineer on the surface.

没有阶级划分,表面上看来，普通员工和CEO也没有差别。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

He would wait in orbit around the moon while Armstrong and Aldrin landed and explored the surface.

VOA: special.2009.07.15

Somehow, if you could manufacture a really smooth frictionless surface, that if you took a hockey puck or something and an air cushion and you give it a push, in some idealized world, it'll travel forever.

如果你制造一个绝对光滑无摩擦的表面,然后在上面放个冰球或者别的什么,或者气垫,然后推它一下,在理想条件下,它会永远运动下去

耶鲁公开课 - 基础物理课程节选

Buff is also a soft cloth used to rub a surface until it looks bright and shiny.

VOA: special.2009.05.17

and it's not subject to the same sorts of issues that surface trains or routes would have,

它不会遭遇火车或公车路线遇到的类似麻烦，

地铁的好处 - SpeakingMax英语口语达人

Embroidery work involves using colored yarn and a needle to create designs on the surface of cloth.

VOA: special.2009.11.04

When God began this process of creating the heaven and the earth, And the earth was unformed and void, And his wind was on the surface of the deep and so on, He said, "Let there be light and there was light."

当上帝开始开创天地的过程，大地一片混沌，虚空无形，他的呼吸掠过这混沌的表面，他说，“要有光，于是便有了光“

耶鲁公开课 - 旧约导论课程节选

But another NASA project, the Lunar Crater Observing and Sensing Satellite,or LCROSS, could provide answers to what lies deeper beneath the moon's surface.

VOA: special.2009.09.30

There are proteins, for example, on the surface of some cells that bind insulin and respond to the presence of insulin.

比如说蛋白,有些细胞表面上的蛋白,捕获胰岛素并且对胰岛素进行应答

耶鲁公开课 - 生物医学工程探索课程节选

Pollock placed the canvas on the floor and threw different colors of paint onto its surface.

VOA: special.2010.03.24

So if we want to talk about the volume of that, we just talk about the surface area, which is 4 pi r squared, and we multiply that by the thickness d r.

如果我们要讨论它的体积，我们要用的是表面面积，也就是４πｒ的平方，乘以厚度ｄｒ

麻省理工公开课 - 化学原理课程节选

It carried oxygen,water, electricity and food for two men for two days on the moon's surface.

VOA: special.2009.07.22

This would be an average adult male, 30 years old, the average height and weight, and surface area and temperature, and lots of characteristics of an average person.

包括普通成年男性,三十岁,平均身高和体重,平均表面积和体温,还有许多其他数据

耶鲁公开课 - 生物医学工程探索课程节选

When they receive the signal they make - they change in a very specific way and the cell can recognize this change that's occurred at the cell surface.

当它们接收到信号之后,就会发生十分特殊的变化,细胞能够识别自身表面发生的这种变化

耶鲁公开课 - 生物医学工程探索课程节选