オイルシェールだったら
oirushērudattara
1. If/when oil shale
Noun
#353954
1. If/when oil shale
1. if it's the case
1. to age; to grow old
1. oil fence
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