蜜芽传媒 Learning English - 蜜芽传媒 Media English《媒体英语》: Climate change: Arctic reindeer numbers crash by half 气候变化：北极驯鹿数量跌半 - 蜜芽传媒 Sounds
蜜芽传媒 Learning English - 蜜芽传媒 Media English《媒体英语》: Climate change: Arctic reindeer numbers crash by half 气候变化：北极驯鹿数量跌半 - 蜜芽传媒 Sounds
蜜芽传媒 Media English《媒体英语》: Climate change: Arctic reindeer numbers crash by half 气候变化：北极驯鹿数量跌半
What might have affected the decrease of wild reindeer in the Arctic?
