ሳይንስበአዳዲሶቹ የኮሮና ክትባቶች ያልተመለሱ ጥያቄዎችTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTsehay Chanie Filatie9 ኅዳር 2013ረቡዕ፣ ኅዳር 9 2013በአዳዲሶቹ የኮሮና ክትባቶች ያልተመለሱ ጥያቄዎችhttps://p.dw.com/p/3lWNjማስታወቂያ