And that does put a strain on immigration enforcement.

这给移民执法造成了压力。

Such an attempt only aggravates the strain of mental effort.

这种愿望只能加剧精神紧张。

The issue has previously strained bilateral relations.

该问曾一度让双边关系紧张。

E coli O157H7 is a particularly dangerous strain of e coli.

大肠杆菌0157H7是极为危险的一种大肠杆菌菌株。

Physics meets biology in a project to breed better strains of rice.

物理学与生物学的碰撞--优质大米培植。

They put such strains on a team.

她们给团队带来压力。

Sad and solemn was the strain, but nothing dirge-like-breathing not of death, but of deliverance.

悲伤而又神圣，但是不像是在哀悼——不是死亡的呼吸，而是解脱。

It's his favorite strain of weed.

是他最爱的一种大麻。

Carrie, you're under a lot of strain.

卡莉 你压力太大了。

Relations between the United States and Venezuela have been strained for years.

多年来，美和委内瑞的关系一直十分紧张。

I realize there are different strains of Ebola.

我发现埃博病毒也有很多种类。

'Well, he certainly must have strained himself to get this menagerie together.'

" 我说，他一定花了很大的气力才搜罗到这么一大帮牛头马面。"

This computer keyboard is designed to reduce wrist strain.

这组电脑键盘是专门为减少手腕压力所设计的。

There've been some new strains of the virus that have cropped up worldwide.

全球范围内已经出现了多种新冠病毒的变异毒株。

Sometimes other strains of the virus spread more than expected.

因为有时候意料外的流感种类会流行开来。

It can cause financial strains in the world financial markets.

可能导致全球金融市场出现紧张的局势。

That could put even more strain on global food supplies.

这可能会给全球粮食供应带来更大压力。

Hartuv says the uncertainty places many strains on a family.

哈特威表示不确定性为一个家庭造成许多压力。

How do we deal with the rapidly changing COVID-19 strains?

问 9：我们如何应对快速变化的新冠毒株？

Could their skins stand the strain?

它们的皮肤能承受这种压力吗？