蜜芽传媒 Learning English - 蜜芽传媒 Media English “媒体英语”：World's first wooden satellite launched 世界首颗木壳人造卫星成功发射 - 蜜芽传媒 Sounds
蜜芽传媒 Learning English - 蜜芽传媒 Media English “媒体英语”：World's first wooden satellite launched 世界首颗木壳人造卫星成功发射 - 蜜芽传媒 Sounds
蜜芽传媒 Media English “媒体英语”：World's first wooden satellite launched 世界首颗木壳人造卫星成功发射
Why has a wooden satellite been launched?
