Aeolipile
[机] 汽转球
🗣️ 情景例句
Keep cool.
保持冷静。
Keep your eyes wide open before marriage, and half shut afterwards.
婚前张开眼，婚后半闭月。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。