グレー水素 でしょう
gurēsuisodeshō
1. Gray hydrogen, likely.; Probably gray hydrogen.
Noun
1. Gray hydrogen, likely.; Probably gray hydrogen.
1. grey; gray
1. grade
1. grapefruit
1. gray zone; grey zone
1. hydrogen bomb
1. hydrogen (H)
1. it seems; I think
2. right?; don't you agree?
1. Gray.; Polite.
1. Gray; Grey