内啡素 內啡素 nèi fēi sù ㄋㄟˋ ㄈㄟ ㄙㄨˋ noi6 fe1 sou3

  • endorphin

Stroke order

Practice writing

Draw 内 (1 of 3) — stroke by stroke.

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