カンブリア紀 だったら
kamburiakidattara
1. If/When the Cambrian period…; Had the Cambrian period been…
Noun
#224769
1. If/When the Cambrian period…; Had the Cambrian period been…
1. if it's the case
1. Devonian period
1. not be found
1. If it comes out; When it comes out
1. If/when topped; If/when crowned
1. If/when shown; If/when I show
1. After; When…passes
1. If/when born; Once born