tairyōzetsumetsudattara
1. If/when mass extinction…; If there were a mass extinction…
Noun
#175857
1. If/when mass extinction…; If there were a mass extinction…
1. if it's the case
1. extinction; extermination
2. eradication; stamping out
1. large quantity; massive (quantity)
1. mass production
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