But raising of pet fish goes back to the early days of the Sung Dynasty in China, about 900 A.D., when they were raised in small bottles as house pets.

但是，人们饲养观赏鱼可以追溯到中国宋朝早期，大约公元900年左右。当时，观赏鱼作为家庭宠物饲养在小瓶子里。

youdao

This is not a house, but a tomb from the Han Dynasty.

这里不是住人的，是汉代的一座陵墓。

youdao

Scientists discover that a tomb built in the 6th Dynasty was tapped into nearly 2, 000 years later to house new mummies.

科学家发现一座建于第六王朝的墓穴在2000多年之后被用来安葬新的木乃伊。

youdao

The 34.98-carat Beau Sancy diamond, the signature gem of the Prussian crown jewels, has made it through the last three turbulent centuries firmly in the hands of the House of Hohenzollern, the ruling dynasty of Prussia and, later, imperial Germany.

WSJ: The Beau Sancy Diamond at Sotheby's: From Prussia, With Love