大概是公元3至4世纪的产品。

It dates to the third or fourth century A.D.

这要从公元1022年开始说起。

It began all the way back in 1022 A.D.

或者大家可以直接跳转回公元63年。

Or you can go all the way back to 63 A.D.

这部很棒的书创作于公元800年左右！

This beautiful book was created around A.D. 800!

这种马赛克可能在公元4世纪由北非洲的艺术家所制成。

Mosaic may have been made in the 4th century A.D. by North African artists.

人类最早居住时间：大约是公元前8世纪到公元10世纪

Inhabited: Approximately eighth century B.C.to 10th century A.D.

日本人则在公元3世纪末时才开始用精美的纹身来装饰身体。

Japanese men began adorning their bodies with elaborate tattoos in the late A.D. 3rd century.

建造工作从公元前3世纪开始，一直到公元16世纪，都在不段扩建和重建。

Construction began in the 3rd century BC. Sections were then built and rebuilt through the 16th century A.D.

在公元一百零五年左右，朝廷的一位官员制造出今日世上最不可或缺产品的前身。

In about A.D. 105, an official in the imperial court produced the forebear of what has become today the world's most indispensable product.

公元300年，中国农民养殖一种食肉蚂蚁，来保护桔园中的果树免受害虫威胁。

In 300 A.D., Chinese farmers specially bred ferocious predatory ants in orange orchards to protect the trees from other bugs.