| 释义 |
sigmoid/ˈsiɡmɔid/ adj. & n.●adj. 1 curved like the uncial sigma (C); crescent-shaped C 形的；弯月形的 2 S-shaped S 形的 ●n. (in full 全称 sigmoid flexure) Anat. the curved part of the intestine between the colon and the rectum 【解】(位于结肠和直肠之间的)乙状结肠 [Greek sigmoeidēs (as SIGMA)] |