Sigmoid cavity
[医] 乙状窝(指尺骨的棒月切迹及桡骨切迹或桡骨的尺骨切迹)
🧩 词语组成解析
a. S字形的, 乙状结肠的, C字形的\\nn. 乙状结肠
🗣️ 情景例句
But I do need some publicity
但我需要一些宣传，
He alone is poor who does not possess knowledge.
没有知识，才是贫穷。
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。