o8, ε oxygen

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الإنجليزية - الإنجليزية
red oxygen
o8, ε oxygen

    الواصلة

    o8, ε o·xy·gen

    النطق

    فيديوهات

    ... oxygen levels in the atmosphere have risen from next to nothing ...
    ... oxygen-- it's two-thirds oxygen, one-third fuel-- ...
المفضلات