优胜劣汰
优胜劣汰優勝劣汰
- survival of the fittest (idiom)
Stroke order
Practice writing
Draw 优 (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 优 (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.