C-loop
[医]C环，十二指肠环
🧩 词语组成解析
loop
[lup]
n. 圈，环;[医]宫内避孕环;回路;弯曲部分;
vt.& vi. （使）成环，（使）成圈;以环连结;使翻筋斗;
🗣️ 情景例句
Have you filled in the baggage declaration?
行李申请单填好了吗？
Would you like to leave your telephone number?
你想要留下你的电话号码吗？
My shoes are worn out.
我的鞋穿破了。