Though physicians and scientists understood there were numerous health hazards associated with the practice, the number of smokers increased dramatically in the first half of the 20th century.

虽然医生和科学家都明白，有无数危害健康的事情与合乎习俗的行为方式有关联，但在20世纪前50年，吸烟人数却戏剧性增加。

youdao

Just over half understood that there was something wrong with the funny endings, even though they couldn't always say just what.

只有超过一半的孩子能理解广告有趣的结尾存在着问题，尽管他们并不都能说出原由。

youdao

In the rich world the Labour force as it has traditionally been understood (those between 15 and 65) is expected to peak in 2010, at about half a billion people.

在发达国家，传统意义上的劳动力(年龄在15和65之间的)预期在2010年达到峰值，大约5亿人。

youdao

That led to 1970s postmodernism, less a period of creative vitality than of confusing signals and flawed buildings, a half-understood historical recall supposedly leavened with irony in the way past and present were combined.

WSJ: When the Outrageous Became Mainstream

The 28-year-old has agreed a two-and-a-half year deal and joins for an undisclosed fee, understood to be a free transfer.

BBC: Leon Britton completes shock Swansea City return

It was understood that Tory MPs would be whipped to oppose the motion but half-way through the debate Mr Pritchard announced the government had allowed a free vote on the matter.

BBC: MPs back ban on wild animals in circuses