Sigmoid colon
乙状结肠
🧩 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
colon
[kəu'ləun]
n. 冒号;<解>结肠;科郎（哥斯达黎加货币单位）;
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
Don't forget to call me.
不要忘记叫我。
Yes, sir?
什么事，先生？