A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

They became deeply protective and insistent upon their own peculiar sense and there's a great scholarship on this their own peculiar sense of honor. Honor.

他们越来越保护和坚持,自己一贯的特殊性,这里学问很深,他们对荣誉问题特别敏感,荣誉

耶鲁公开课 - 美国内战与重建课程节选

People don't usually think so much of nuts as a protective part of the diet, but in fact they have some of the healthy fat as well.

通常人们并不认为坚果有预防疾病的功能,但事实上它们含有很多有益脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He explains that as the water freezes, it produces heat,and the ice forms a protective blanket around the tree.

VOA: special.2010.01.12

It turns out that if you give one child in a home the oral vaccine, you often have a protective effect in other children in the home as well because it spreads from one individual to another.

结果显示,如果给一个家庭中的,一个孩子服用了口服疫苗,就等于给家中的其他孩子,同样进行了保护,因为它会在个体之间进行传播

耶鲁公开课 - 生物医学工程探索课程节选

Two years ago,European researchers reported that aspirin may have what they called a "long-term protective effect against colorectal cancer."

VOA: special.2010.12.14

It's likely to increase, but there is more competition from India business India government has been a little more protective of India business They still have rules about which areas foreign investment can come in which areas they cannot come in.

也许机遇是有很多，但印度企业面临激烈的竞争,而印度政府又一直,有点过于保护本土企业,政府现在还有规定哪些领域,可以引进外资,哪些领域不准引进外资。

普林斯顿公开课 - 国际座谈会课程节选

But new research suggests that this might have a protective effect a few years later when children start school.

VOA: special.2010.12.15

Material from the RQ36 asteroid will be sent back to Earth in a special protective device.

VOA: special.2011.06.22

The aim should be to aggressively create what he calls a "protective barrier" against loneliness.

VOA: special.2010.01.06

This complex system throughout the body makes and transports a protective fluid called lymph.

VOA: special.2011.03.23

But there are many methods and protective devices that can increase a climber's safety.

VOA: special.2009.12.09

Or,a gallery show could include art made from aprons, protective clothing worn when cooking.

VOA: special.2009.08.05

It's like an American school could be a protective box."

VOA: special.2009.11.05

Another form of the enzyme creates a protective effect.

VOA: special.2009.10.20

The fibers form a protective barrier against gunfire.

VOA: special.2011.03.01

But the shutters stayed closed until after astronauts removed the windows' protective covers during a nearly six-hour spacewalk Wednesday.

VOA: standard.2010.02.18

Sergeant Will Blair,a medic, is decontaminating victims in a protective suit in extremely hot temperatures.

VOA: standard.2010.07.26

"We saw a protective effect for drinking more than 4 cups of coffee per day."

VOA: standard.2010.06.30

"We continue to look for ways to engage with Russia on missile defense in a way that is mutually beneficial and protective of countries' security against these new threats we face in the world."

VOA: standard.2010.03.26