yàn zhèng
to inspect and verify
experimental verification
to validate (a theory)
to authenticate
Tài zǐ Dān
Prince Dan of Yan (-226 BC), commissioned the attempted assassination of King Ying Zheng of Qin 秦嬴政 (later the First Emperor 秦始皇) by Jing Ke 荆轲 in 227 BC
Yān Tài zǐ Dān
Prince Dan of Yan (-226 BC), commissioned the attempted assassination of King Ying Zheng of Qin 秦嬴政 (later the First Emperor 秦始皇) by Jing Ke 荆轲 in 227 BC
yán zhěng
(of troops) in neat formation
(fig.) orderly