Mobile equilibrium
[化] 动态平衡
🧩 词语组成解析
🗣️ 情景例句
Just listen to the sound.
听听这些声音。
Let us talk about it at our leisure.
那件事我们有空再谈吧。
When the balloon was over the station, the pilot saw one of the men taking photographs.
当气球飞临基地上空时，飞行员看见有一个人在拍照。