Sigmoid valves
[医] 半月瓣
🧩 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
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
I can't wait, to see them!
我恨不得马上见到他们。
After dinner, they adjourned to the study to talk.
晚饭后，他们到书房谈话去了。
Wei Hua had a busy day yesterday.
昨天魏华很忙。