显生宙 / 顯生宙

Xiǎn​shēng​zhòu

Phanerozoic

Phanerozoic geological eon, beginning with the Cambrian period approximately 540 million years ago

显生宙是地球历史上生物多样性迅速增加的时期。

noun

created sense Mar 4, 2026, 02:25 AM