stratospheric造句

1、Enhanced upper stratospheric ozone: Sign of recovery or solar cycle effect?
平流层上层臭氧的增强:是恢复或太阳周期作用的信号吗？

2、Every austral spring, an ominous "hole" appears in stratospheric ozone over Antarctica.
每逢南半球春季，南极洲平流层中都会出现不祥的臭氧层空洞。

3、Barack Obama's inauguration was marked by global jubilation and stratospheric expectations.
奥巴马上任之际，全球为之雀跃，人们对其寄予厚望。

stratospheric翻译