sigmoid /'sigmɒid/ 📖 中文释义 a. S字形的, 乙状结肠的, C字形的n. 乙状结肠 🧩 词形变化 复数 sigmoids 📘 English Definition(英文释义) a. curved in two directions (like the letter S)a. of or relating to the sigmoid flexure in the large intestine ← Sigmodon hispidus sigmoid cartilages →