宇宙速度 yǔ zhòu sù dù ㄩˇ ㄓㄡˋ ㄙㄨˋ ㄉㄨˋ jyu5 zau6 cuk1 dou6

  • escape velocity

Stroke order

Practice writing

Draw 宇 (1 of 4) — stroke by stroke.

Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.