During the second half of the 20th century, grain prices rose dramatically several times.

在20世纪下半叶，粮食价格经历了几次大幅上涨。

youdao

Little by little, the number increased during the second half of the twentieth century.

渐渐地，在二十世纪下半叶成员国数量增多了。

youdao

During the second half of the 20th century, the global population explosion was the big demographic bogey.

20世纪下半页，全球人口在爆炸是人口统计学推断出来的最大恶梦。

youdao

During the second half of the nineteenth century, the United States was not concerned much with events in other countries.

VOA: special.2010.07.08

The findings suggest that growth potential are probably coming down from 10.4 percent during the first decade of the 21st century to 8 percent during the second decade and 6 percent during the third decade.

FORBES: Estimating China's New Growth Potential

The campaign for women to have the right to vote began in earnest during the second half of the nineteenth century.

BBC: Women in parliament

Because of his closeness to Soloveitchik, Schacter was witness to, and played a role in, many of Judaism's critical events during the second half of the twentieth century, said Chabad-Lubavitch leader Rabbi Yehuda Krinsky.

WSJ: Prominent NY rabbi dies at 95