半胱氨酸
半胱氨酸
- cysteine (Cys), an amino acid
- mercaptoethyl amine
Stroke order
Practice writing
Draw 半 (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.
Draw 半 (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.