stratospheric

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++strat·o·spher·ic /ˌstrætəˈsferɪk◂ $ -ˈsfɪr-, -ˈsfer-/ adjective  1. [only before noun] relating to the outer part of the air surrounding the Earth 平流层的，同温层的2  informal a stratospheric price, amount, level etc is extremely high or great 极高的；极大量的；极高水平的 stratospheric house prices 高企的房价

strat·o·spher·ic adjectiveChineseSyllable  

stratospheric
strat·o·spher·ic /ˌstrætəˈsferɪk◂ $ -ˈsfɪr-, -ˈsfer-/ adjective
1. [only before noun] relating to the outer part of the air surrounding the Earth
2. informal a stratospheric price, amount, level etc is extremely high or great:
    stratospheric house prices