Sigmoid fossae
[医] 乙状窝(乳突的S字形沟)
🧩 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
pl. 窝, 凹\\n[医] 窝, 凹
🗣️ 情景例句
Oh, by the way,
噢，顺便问一下
Oh, thank you.
噢，谢谢了。
You were very angry!
你火气真大！