bubble /ˈbʌbl/ I. n. ［c］ 泡，水泡，气泡：blow bubbles with soap water吹肥皂泡；air bubble 气泡; soap bubble 肥皂泡；vanish like a bubble 像气泡一样化为乌有；The bubble has burst. 气泡破了。The kettle is at the bubble. 壶里的水开了。‖II.vi.& vt. (使)冒泡，(使)起泡： We could hear the pot bubbling quietly. 我们可以听到锅里发出的轻轻的沸腾声。bubble over 冒着泡溢出：Look after the milk on the stove. Don’t let it bubble over. 看好炉子上的牛奶，不要让它溢出来。