柯林斯词典umbilical cord (umbilical cords) 1. N-COUNT The umbilical cord is the tube that connects an unborn baby to its mother, through which it receives oxygen and food. 脐带[usu sing] 返回 umbilical cord剑桥词典the long , tube-like structure that connects a baby that has not yet been born to its mother's placenta (= the organ that provides it with food and oxygen ) 脐带 The nurse cut the baby's umbilical cord . 护士剪掉了婴儿的脐带。 返回 umbilical cord