ሳይንስከፕላስቲክ ውጋጆች የጫማ ቀለም የሰራው ወጣት To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስShewangizaw Wegayehu/MMT20 ጥር 2012ረቡዕ፣ ጥር 20 2012https://p.dw.com/p/3WzSLማስታወቂያ