Woordeboek
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Begin leer Afrikaans met learnfeliz .
Oefen praat en memoriseer " radioaktiewe " en baie ander woorde en sinne in Afrikaans .
Gaan na ons Afrikaans kursusbladsySinne
Gelyke massas van verskillende radioaktiewe stowwe kan egter hoogs verskillende aktiwiteite hê .
Equal masses of different radioactive substances, however, can have very different activities.
