Descending colon
降结肠
🧩 词语组成解析
a. 下降的, 下行的\\n[计] 递减
colon
[kəu'ləun]
n. 冒号;<解>结肠;科郎（哥斯达黎加货币单位）;
🗣️ 情景例句
Can you manage English conversation?
你能用英语谈话吗？
The newsboy throws his papers in the wrong place.
报童把报纸投错了地方。
He is in his everyday clothes.
他穿着平常的衣服。