mesopterygium /mi:zɒptə'rɪdʒjəm/ 📖 中文释义 (中鳍骨)中鳍软骨 📘 English Definition(英文释义) n. The middle one of the three principal basalcartilages in the fins of fishes. ← mesopsychic M 字母词表 mesopterygoid →