基本解释后凹型脊椎同根派生 opisthocoelous相关词英汉例句opisthocoelous Having vertebrae convex anteriorly and concave posteriorly, as in the gars. 后凹的脊椎骨前部凸出，而在后部凹曲，例如见于雀鳝。opisthocoelous vertebra 后凹椎opisthocoelous centrum 后凹椎体opisthocoelous更多例句