内酰胺酶
内酰胺酶內酰胺酶
- beta-lactamase (a bacterial inhibitor)
Stroke order
Practice writing
Draw 内 (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 内 (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.