metasternum /,metә'stә:nәm/ 📖 中文释义 [动]后胸膜扳 📘 English Definition(英文释义) n. The most posterior element of the sternum; theensiform process; xiphisternum.n. The ventral plate of the third or last segment of thethorax of insects. ← metasternalia M 字母词表 metastethidium →