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
First round's on me.
第一轮我请客。
Speech is silver (or silvern), silence is golden.
雄辩是银，沈默是金。
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？