noun🔗Share成层圈, 平流层 Collectively, those layers of the Earth’s crust which primarily comprise stratified deposits."The geologist studied the stratosphere exposed in the road cut, carefully examining the layers of sediment for clues about the region's history. "地质学家研究了路堑中裸露的地层，仔细检查沉积层，寻找该地区历史的线索。(Dìzhì xuéjiā yánjiūle lùqiàn zhōng lùlù de dìcéng, zǐxì jiǎnchá chénjī céng, xúnzhǎo gāi dìqū lìshǐ de xiànsuǒ.)geologyenvironmentgeographyareascienceChat with AIVocabulary GamePractice Reading
noun🔗Share平流层，同温层 The region of the uppermost atmosphere where temperature increases along with the altitude due to the absorption of solar ultraviolet radiation by ozone. The stratosphere extends from the tropopause (10–15 kilometers) to approximately 50 kilometers, where it is succeeded by the mesosphere."The airplane climbed into the stratosphere, where the air grew warmer with altitude. "飞机爬升进入了平流层，在那里，随着高度的增加，气温也随之升高。environmentweatherspacescienceastronomynatureareageographyphysicsChat with AIVocabulary GamePractice Reading
