Sigmoid flexure
n. 乙状结肠
🧩 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. 屈曲, 折褶, 弯曲部分\\n[化] 挠曲
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
I've got a terrible pain in my back.
我的背很痛。
You have my word!
我保证！