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
I thought that was Nat Baker who rang the front doorbell.
我还以为是Nat Baker 按大门门铃呢。
In the fall, the boys prune the trees.
在秋天，男孩们便修剪那些树木。
I went downstairs and sat in front of the television pretending to read.
便来到楼下坐在电视机前假装看书。