emergence

The emergence of the internet in the 1990s completely transformed how humans communicate.

(Chinese) 20世纪90年代互联网的出现彻底改变了人类的交流方式。

Biologists carefully documented the emergence of the cicadas after their seventeen-year underground cycle.

(Chinese) 生物学家仔细记录了蝉在地下循环17年后的破土而出。