- (specialist)
in the layer of the earth's atmosphere between about 10 and 50 kilometres above the surface of the earth 平流层 stratospheric clouds/ozone 平流层云/臭氧
- (informal)
extremely high 在(或到)极高水平 stratospheric levels of success 极高的成功水平
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
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