stratosphereKK [ˋstrætəˏsfɪr] /ˈstɹætəˌsfɪɹ/发音名词1平流层、同温层常加 theOzone in the stratosphere blocks most of the sun's harmful rays.平流层中的臭氧挡掉了大部分有害的太阳光线。2极高的层次、顶端比喻Housing prices in this city have shot into the stratosphere.这座城市的房价已经飙到天价。用这个字练口说→