n.中间层，中层，中大气圈...

Ozone is formed in the stratosphere and mesosphere by photochemical processes.由于光化过程,在平流层与中层内产生了臭氧.The mesosphere comprises the rest of the mantle below the asthenosphere.中间圈包括岩流圈以下地幔的其余部分....

mesosphere的音标：mesosphere的英式发音音标为：['mezəsfɪə(r)]mesosphere的美式发音音标为：['mezəsfɪr]...