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
I don't drink, but today is an exception.
我是不喝酒的，但今天例外。
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
In the young there is a justification for this feeling.
青年人有这种感觉是情有可原的。