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 guess we'll have to exchange it, too.
我想我们还得去换一件。
The more riches a fool hath, the greater fool he is.
愚人越富越愚蠢。
3 'I said it was a good idea all along.'
三、 我一直说这是个好想法。"