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'm glad to have met you.
非常高兴认识你。
I'm very pressed for cash at the moment, can I pay you next week?
我现在手头有点紧，再周再付给你行吗？
My number is 584 1498. Tell him to ask for Bob or Paula. OK? Thanks.
我的号码是5841498。告诉他找鲍勃或葆拉。好吗？谢谢。