单键
单键單鍵
- single bond (chemistry)
Stroke order
Practice writing
Draw 单 (1 of 2) — stroke by stroke.
Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.
Draw 单 (1 of 2) — stroke by stroke.
Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.