Stratosphere
n. 同温层, 最上层, 尖端的学科领域\\n[医] 同温层, 平流层
📖 牛津释义
stratosphere
n[sing]
layer of the earth's atmosphere between about 10 and 60 kilometres above the surface of the earth 平流层, 同温层（距地表约10至60公里之间的大气层）. Cf 参看 ionosphere.
🗣️ 情景例句
Here.
这里 。
Truth lies at the bottom of a well.
事实真相往往不在表面，而在深层。
Is everyone here? asked Mother.
“都到齐了吗？”母亲问。