英语语法分析

periosteum

n. [解剖] 骨膜；管膜

复数 periostea

例句

At the left the periosteum is being lifted off.

左侧可见骨膜被掀起。

At the left, the periosteum is being lifted off.

左侧可见骨膜被掀起。

Expose the medial malleolus by reflecting the periosteum but preserve the deltoid ligament.

剥离、牵开骨膜，显露内踝，但保留三角韧带。