In the ancient world, it was probably rare to castrate a dog or cat.

古时候可能很少阉割猫或狗。

《柯林斯英汉双解大词典》

The Great Pyramid of Giza is one of the Wonders of the Ancient World.

吉萨大金字塔是古代世界奇迹之一。

youdao

It is difficult for us to imagine what life was like for slaves in the ancient world.

我们很难想象古代奴隶的生活是怎么样的。

youdao

Says that in the ancient world, Angkor was known for its sophisticated water system.

VOA: standard.2010.04.05

But that wouldn't have been sort of a normal, everyday way to talk about a stranger in the ancient world.

但即便在古代，对陌生人这么称呼也不并不常见。

耶鲁公开课 - 新约课程节选

In the ancient world,actually,it would've sounded familiar, because there are other stories of other kinds of teachers who'd healed and exorcised demons and performed miracles.

然而在古代，则很耳熟，因为还有其他人，传授知识,治疗百姓，驱魔，创造奇迹的故事。

耶鲁公开课 - 新约课程节选

Few of the most creative societies of the ancient world, after all, were free.

FORBES: Globalism and Technology: A Hidden Misconception That Dooms the U.S. Economy

The Ordinary Business of Life: A History of Economics from the Ancient World to the Twenty-First Century.

ECONOMIST: Economic history

The foundations of knowledge of the ancient world which informs the understanding of the modern world are biblical in origin.

WSJ: Roma Downey and Mark Burnett: Why Public Schools Should Teach the Bible