宇宙速度 (jyu5 zau6 cuk1 dou6) — cosmic velocity (or speed) in Cantonese
jyuˏ₅宇zauˍ₆宙cukˉ¹速douˍ₆度Mandarin Pinyin: yu3 zhou4 su4 du4
Meaning of 宇宙速度
nouncosmic velocity (or speed)
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