Many people make video or sound recordings as they talk to family members.

VOA: special.2010.06.28

And what this is in a very general sense is the learning of an association between one stimulus and another stimulus, where stimulus is a technical term meaning events in the environment like a certain smell or sound or sight.

一般来说,经典条件作用是指在一个刺激,和另一个刺激之间形成联结，这里的刺激是一个专业术语,意思是环境中出现的事件,比如某种味道，声音或景观。

耶鲁公开课 - 心理学导论课程节选

or totally grammatically correct or might sound awkward,

也不用在乎语法是否完全正确，或者听起来是否别扭，

想学好英语吗？ - SpeakingMax英语口语达人

On an acoustic guitar, the strings vibrate and the hollow part of the instrument, or the sound box,also vibrates.

VOA: special.2009.09.27

Before long the speaker realizes that this fantasy is starting to sound a little extreme or maybe a little dangerous.

不久之后诗歌发言者意识到,这个幻景,开始听起来有点过头或危险了。

耶鲁公开课 - 弥尔顿课程节选

When there is fresh snow on the ground, the surface of the snow takes in, or absorbs,sound waves.

VOA: special.2010.01.05

While he points out that in our culture we feel very uncomfortable with the absence of words, with the absence of sound or noise.

他指出，在我们文化中沉默，让人不适。

哈佛公开课 - 幸福课课程节选

"I do not believe that any ethnic, racial or gender group has an advantage in sound judging."

VOA: special.2009.07.18

It could sound strange or look unusual in the case of a sign language.

比如说手语看上去会很奇怪或是异常

耶鲁公开课 - 心理学导论课程节选

FM radio provided better sound reproduction and less noise or interference than traditional AM radio.

VOA: special.2010.01.31

I'm going to give an example or example of that--of the train kind of going by you, and the sound heading off in the other direction.

我将会举个例子,比方说,那种火车经过你时,它的声音会从别的方向传来

耶鲁公开课 - 聆听音乐课程节选

They may also make a whistling or squeaky sound, called wheezing, when they breathe.

VOA: special.2009.07.28

So, for example, we have this average level, and then it can go high where we have the peak, or it can go very low. We can also discuss sound waves, so again it's just the periodic variation of some property -- in this case we're talking about density, so we have high density areas and low density areas.

例如这是平均位置，在峰的位置水位高，在谷水位低，我们也可以,讨论声波它也是某种,量的周期变化，在这里我们,讨论的是密度,我们有高密度区和低密度区。

麻省理工公开课 - 化学原理课程节选

So,these words just get an -ay, or sometimes a -way, sound on the end.

VOA: special.2009.12.04

So,Once they are lost in response to a toxic sound or to an antibiotic it cannot be regenerated by natural means.

一旦因噪音或抗生素遭受损失,就难以再生。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

A leatherneck or a grunt do not sound like nice names to call someone.

VOA: special.2010.03.07

And what this means is we can use --take any arbitrary idea in the world, the idea of a chair or a story or a country, and make a sound or a sign to connect to it.

符号任意性是指,我们可以拿来世间任何想法,比如椅子,故事,或是国家,再发明一种声音或符号来与之相联系

耶鲁公开课 - 心理学导论课程节选

Loisaida is a "Spanglish" term, or English with a Spanish sound.

VOA: special.2009.04.27

They play with these partials on each of these notes, but this is just one sound with all of these other things mixed in to the medley that produces the quality or timbre of a particular instrument.

它们改变音符中的分音的强度,不过这只是一个声音,要算上其它所有分音的集合,才能构成一个特定乐器的音色

耶鲁公开课 - 聆听音乐课程节选

Metheny says he worked with inventors and technicians from around the country to build the robotic instruments used on Orchestrion. He programs and controls every sound from his computer, guitar or keyboard.

VOA: special.2010.03.12

No sound came from televisions or radios.

VOA: special.2009.07.15

Working in so many different genres, Williams says his daily challenge is coming up with the right sound for a show,movie,or album.

VOA: standard.2010.07.20

An entrepreneur's product or service must sound feasible and marketable, enough to convince people to become investors.

VOA: standard.2010.01.31