Troposphere
n. 对流层\\n[医] 对流层
📖 牛津释义
troposphere
n[sing]
(usu 通常作 the troposphere) layer of the atmosphere that extends about seven miles upwards from the earth's surface 对流层（距地表约七英里）.
🗣️ 情景例句
Just relax and enjoy it.
放轻一点 好好地享受它。
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
Good morning, sir.
先生，早上好。