The Japanese herring fishery collapsed in the middle of the 20th century.

20世中，日本鲱鱼渔业崩溃。

Weather records date all the way back to the mid 19th century.

关于天气记录可以追溯到19世中。

The woman who faced this interrogation was born in the mid-17th century.

面对该审判的女人出生于17世中。

During the mid-Cretaceous period, the world's environment was changing globally.

白垩中正值全球环境不断变化的时期。

Environmental laws started really being developed in the middle of the last century.

环境法于上世中开始真正发展起来。

And there'll be 800 million of them by the middle of this century.

到本世中这群人将达到 8 亿。

Remember, we're going to have 9. 5 billion people by the middle of this century.

要知道， 本世中人口将达到95亿。

And by the middle of the nineteenth century the Rapanui had almost disappeared completely!

到19世中，努伊人几乎完全消失了！

Global water demand is projected to increase by 55% by the middle of the century.

全球水需求预计到本世中将增加55％。

Islam first reached China about the middle of the 7th century.

180伊斯兰教大约在七世中首先到达中国。

Extreme heat could continue past the middle of the 21st century.

这种极热天气还可能会持续到21世中以后。

But American, British and Japanese records go back to the mid-19th century.

但美国、英国和日本的记录可以追溯到19世中。

Back in the mid 1800s, it was unthinkable.

而在十八世中 这简直难以想象。

And by the mid-1900s, a similar process had begun in Japan.

而到了20世中，类似的过程才在日本发生。

It was not until the middle of the 20th century that Oxbridge was accepted gradually.

直到20世中, “牛桥”一词才逐渐被人们所接受。

They're about the United States of America in the middle of the 19th.

它们是在说十九世中的美利坚合众国。

In the mid-20th century, Mexico, Africa, and much of South Asia faced starvation.

20 世中，墨西哥、非洲和南亚大部分地区都面临饥饿。

They say that by mid-century Broadway had become a home for Serious Plays.

他们说到了本世中 百老汇已经成为“正剧”的大本营。

Last year was 1.1 degrees Celsius warmer than the middle of the 19th century, NASA said.

NASA表示，去年的气温比19世中高出1.1摄氏度。

The Penan's way of life has changed considerably since the middle of the twentieth century.

自二十世中以来，培南人的生活方式发生了相当大的变化。