メタンであれば
metandeareba
1. If methane; When methane
★ Common
Noun
#71409
1. If methane; When methane
1. methane
1. methane gas
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to
1. Cannot have; Cannot do
1. If there is; If you have
1. Don't have.; Don't do.