6 years

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الإنجليزية - الإنجليزية
bielas comet
6 years

    النطق

    علم أصول الكلمات

    (noun.) 1954. from the position at which the phosphate group is attached.

    فيديوهات

    ... And after more than four billion years, ...
    ... little bit more than it did when I was 15 years old. ...
المفضلات