Prison conditions have become more brutal.

监狱的条件已经变得更加严酷。

《柯林斯英汉双解大词典》

Health and fitness have become big business.

保健已经成为大生意。

《牛津词典》

Inter-racial marriages have become commonplace.

不同种族间的通婚已经变得很常见。

《柯林斯英汉双解大词典》

California's finances have become so bad, this month the state began to buy goods and services with promises to pay later.

VOA: special.2009.07.31

But it turns out that technologies like airplanes, which were developed in the last century, have become integral parts of medicine.

但像飞机这样,在上世纪发展起来的技术,确实已经成为医学不可分割的一部分

耶鲁公开课 - 生物医学工程探索课程节选

And over time,as a result of many of these studies, result of examination result of asking also the right questions, I have become happier.

随着时间的推移，出现了很多这类研究，由于提出了正确的问题，我变得更快乐。

哈佛公开课 - 幸福课课程节选

And so Darfur's camps have become giant prisons, holding almost two million people now.

BBC: [an error occurred while processing this directive]

Is it any wonder the markets have become so much more volatile in recent years?

FORBES: Recession 101

Some species have become so abundant that Etosha now re-locates animals to other parts of Namibia.

BBC: Caring for wildlife, Namibian-style