Critics say many public health facilities already are under strain and fear more professionals will abandon the public system for private practice.

VOA: standard.2009.12.23

Now, you don't have to buy that and individuals undoubtedly found the strain too much from time to time, but what's interesting, is rather the ideal, the claim, the theory.

你不必非得接受这些理论,况且现代社会常充斥着个人主义倾向,但是那些理想,主张和理论却更意味深长

耶鲁公开课 - 古希腊历史简介课程节选

It was found in strain R, a particular strain of E.coli, and it was the first one found, There's a nomenclature that's evolved for this.

酶被发现于R菌株,大肠杆菌中一种特别的菌株,又是被发现的第一种内切酶,有一种专门为此制定的命名法

耶鲁公开课 - 生物医学工程探索课程节选

The airing of the controversial program caused outrage in Tel Aviv and is the latest strain on relations between the two countries.

VOA: standard.2009.10.27

But the current swine flu is a new strain to which humans have no immunity and against which existing vaccines offer no protection.

VOA: standard.2009.04.30

But he says it is cause for concern because it is a new strain, and people have not built up an immunity to it.

VOA: standard.2009.05.01

The speed and magnitude of the crisis surprised the government and aid agencies and has put an enormous strain of their ability to provide assistance.

VOA: standard.2009.07.03

The growing demand for meat and dairy products is putting particular strain on the environment.

VOA: standard.2010.06.04

Mexico has the highest number of deaths and infections of the flu, which is caused by a new strain of the influenza A H1N1 virus.

VOA: standard.2009.05.08

And a severe strain of dysentery has claimed 30 lives.

VOA: standard.2009.09.14

Since a vast majority of the refugees are Sunni Muslims, Christian leaders fear such a large influx of citizens could tilt the sectarian balance, as well as increase competition in the job market and strain Lebanon's economic resources.

VOA: standard.2010.06.29

To slow the spread of the virus and relieve the strain on the country's health system, the government has set up a national pandemic flu service, where people who suspect they're infected can get a diagnosis and prescription for antiviral drugs over the phone or Internet.

VOA: standard.2009.07.31

I really did. I mean,sure, maybe we could do it again, but it's tough I mean the amount of money time and effort that goes into these things puts a huge strain on the city and the resources, so I hope we go for it again but I think it's hard,".

VOA: standard.2009.10.02