カンブリア爆発 だったら
kamburiabakuhatsudattara
1. If/When the Cambrian explosion
Noun
#207053
1. If/When the Cambrian explosion
1. if it's the case
1. explosion; detonation
2. outburst (of emotion); explosion (e.g. of anger)
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