People of the early 20th century predicted that we would no longer need to deal with inclement days since major cities would feature roofs to keep out the elements.

二十世纪早期的人们预测我们不再需要和恶劣的狂风暴雨天气打交道，因为主要的大城市会覆盖起屋顶来遮风挡雨。

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One hundred years ago — in the early days of the 20th century — it was clear that there were momentous choices to be made — choices about the borders of nations and the rights of human beings.

100年前，即20世纪初叶，很明显那个时代需要人们做出一些极其重要的抉择——关于国界和人权的选择。

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Reserachers also temporarily renounced that hunt for sleep substances in the early days of the 20th century because physiologists announced that they had, once more, discovered the mechanism of sleep.

在20世纪早期，研究人员还一度放弃了对睡眠物质的提取，因为生理学家又一次宣称他们已经发现了睡眠的机理。

youdao

And why I'm hesitating is, in the early days of the 20th century, the Nobels were first given in 1901.

让我犹豫的是，在20世纪的早期，诺贝尔奖在1901年才开始颁发。

麻省理工公开课 - 固态化学导论课程节选

Regarding the economic imbalance in our country, I am reminded of the situation President Theodore Roosevelt faced in the early days of the 20th century.

NPR: State of the Union: Democratic Response Text

This culture was evident even in the colonial days of the early 17th century.

FORBES: Magazine Article