atmospheric layer

• 大气层,大气壳层

atmospheric layer的用法和样例：

例句

1. We are not advocating atmospheric testing.
   我们不是在鼓吹进行大气层核试验。
2. The President decided to declare his readiness to trade off our atmospheric series.
   总统决定宣布，他随时准备让美国放弃大气层试验。