adj.臍帶的；關(guān)系親密的
Cutting the umbilical cord is mildly painful to the newborn child. 割斷臍帶會使新生兒有輕度的疼痛。
Everyone knows that the umbilical cord is our lifeline in the womb. 大家都知道臍帶是我們在母親子宮里的生命線。
