Even a small reduction in salt in the diet can be a big help to the heart.

VOA: special.2010.01.27

The system can be an open system, or it can be a closed system, or it can be isolated.

系统可以是开系，可以是闭系，或是孤立系。

麻省理工公开课 - 热力学与动力学课程节选

Also, it can be a rhetorical question or a question that does not want to be answered.

当然，这也可以用在问一种修辞的问题，或一种不需要回答的问题。

How can I 课堂 - SpeakingMax英语口语达人

Lead paint can be a danger not only to people in the country where it is made.

VOA: special.2009.08.31

Walking is something you can do with others, in the sense that it can be a joint activity,a joint undertaking.

走路是一件你能和他人一起做的事，这是一个共同合作的行为和事件。

耶鲁公开课 - 死亡课程节选

An app can be as simple as a program that turns a mobile phone into a flashlight to light your way at night.

VOA: special.2011.03.22

That can be a very strong amplifying response, and that happens in the immune system in many cases.

这可能会产生非常强的放大效应,这种效应在免疫系统中很常见

耶鲁公开课 - 生物医学工程探索课程节选

Mercy in an individual is a wonderful thing, but mercy on the part of a government actor can be a very dangerous thing."

VOA: special.2011.06.06

So if I have 32 bits, each of which can be a 0 or 1, that's two possibilities for every place, so 2 to the 32, that's 4 billion.

如果有32比特的话，每个比特都有0或，两种可能性，所以是2的32次方，也就是40亿。

哈佛公开课 - 计算机科学课程节选

It is really just a look at alcohol, how it affects students, how it can be a detriment to their progression as a student."

VOA: special.2011.07.29

I can be a little more careful about keeping track of what goes on inside of that loop. If I don't have any more work to do, let me just stop.

我能更小心点来跟,踪循环里发生了什么,如果没什么可干的了，就停下来吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

When it comes to relationships, people's eyes can be a window into their hearts.

VOA: special.2011.06.12

What we have--we have a problem that there can be a systemic problem to fractional reserve banking if there is ever a run on the banking system.

我们面临着一个问题,如果出现银行挤兑,部分准备金制度会,导致系统性的问题

耶鲁公开课 - 金融市场课程节选

It can be a small or large opening that reaches up to the nose.

VOA: special.2009.12.22

That can be a really fun and exciting part of the course.

这会非常的有趣，令人激动。

耶鲁公开课 - 旧约导论课程节选

This can be a problem even though earwax appears to serve an important purpose.

VOA: special.2010.03.31

Yeah. You can be a martyr."

对，你就牺牲下自己吧“

耶鲁公开课 - 公正课程节选

This storage tank can be a container that holds about one hundred liters.

VOA: special.2009.04.20

It can be a problem. And you're right that in the lottery or in the casinos

沉迷彩票确实是个问题。无论是彩票，还是赌博，

沉迷于彩票的人们 - SpeakingMax英语口语达人

A nickname also can be a descriptive name for a person,place or thing.

VOA: special.2009.12.27

Religion can be a divisive tool, but it can also be one allows for dialogue, allows for conversation.

宗教有时是分割彼此的因素，有时也是,允许更多对话交流的工具。

普林斯顿公开课 - 人性课程节选

Some drugs can be a problem because they suppress the immune system.

VOA: special.2009.04.14

Alexander says, "Well, if they can be gods, I can be a god."

亚历山大说“如果他们能成神，那我也能“

耶鲁公开课 - 新约课程节选

We don't hate anyone. Every single day can be a Christmas."

VOA: special.2009.12.21

But we don't care; you can be a lefty.

但我们不关心,你可以是左撇子

耶鲁公开课 - 古希腊历史简介课程节选

Being a new student in school can be a little scary.

VOA: special.2009.03.19

Other days, it can be a more traditional meal or a pasta meal.

其他时候，可以是更传统的饭菜或者是意大利菜。

妈妈亲手做的味道 - SpeakingMax英语口语达人

And alfalfa can be a valuable food source for animals.

VOA: special.2010.02.09

We know now with the same spring, by this comparison, we will find all objects now can be attributed a mass.

我们现在知道利用相同的弹簧,采用这种比较的方法,就会发现,所有物体都有确定的质量

耶鲁公开课 - 基础物理课程节选

And that can be a good thing-- you know, a lion comes to and charges me, "I don't want to start thinking about my MAPP application.

那可能是件好事-,一头狮子朝我冲过来，我不想考虑宾州大学硕士申请的事。

哈佛公开课 - 幸福课课程节选