グレー水素 でした
gurēsuisodeshita
1. Gray hydrogen was.
Noun
1. Gray hydrogen was.
1. pupil; disciple
1. grey; gray
1. grade
1. grapefruit
1. gray zone; grey zone
1. hydrogen bomb
1. hydrogen (H)
1. becoming a pupil (of); becoming an apprentice
1. deci-; 10^-1