urethras 📖 中文释义 尿道 🔗 释义中的汉语词 尿道 🧩 词形变化 原形 urethra 📘 English Definition（英文释义） n duct through which urine is discharged in most mammals and which serves as the male genital duct ← urethrameter U 字母词表 urethrascope →