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
Grandpa really loves his family, doesn't he?
爷爷确实很爱这个家， 是吗？
It's up to you to decide.
这主要取决于你。
What do you think she would like, dear?
你想她会想要什么呢，亲爱的？