メタンであれば
metandeareba
1. If methane; When methane
★ Common
Noun
#1000567
1. If methane; When methane
1. wealthy; rich
1. methane
1. methane gas
1. There; Behold
1. Was; Existed
1. To be (exists); To have
1. Does not exist; Is not present
1. being; existing