Mobile equilibrium
[化] 动态平衡
🧩 词语组成解析
🗣️ 情景例句
That's exciting, Harry. What was it?
太令人兴奋了， Harry。是什么样的工作？
One usually pricks up one's ears when his name is called.
人在被叫到自己的名字时，通常要侧耳倾听。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。