Colon sigmoideum
[医] 乙状结肠
🧩 词语组成解析
colon
[kəu'ləun]
n. 冒号;<解>结肠;科郎（哥斯达黎加货币单位）;
🗣️ 情景例句
Which university do you attend?
你在哪所大学读书？
It's a deal!
一言为定！
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。