kasseisansonara
1. If/when active oxygen; When there is active oxygen
Noun
#61437
1. If/when active oxygen; When there is active oxygen
1. oxygen (O)
1. activity
2. active
1. Oxygen.; It is oxygen.
1. Was oxygen.
1. Wasn't oxygen.
1. Not oxygen.
1. If oxygen; When oxygen
1. It's not oxygen.
1. It was not oxygen.