Sigmoid
a. S字形的, 乙状结肠的, C字形的\\nn. 乙状结肠
🏥 医学释义
S 形（的），乙状的，乙状结肠
🗣️ 情景例句
is no longer in service.
是空号。
You and your big mouth!
你这张快嘴！
The most surprising thing about it, however, is that it can land anywhere: on snow, water, or even on a ploughed field.
雪地上，水面上，甚至刚耕过的田里。