Spherical pendulum
[化] 球面摆
🧩 词语组成解析
🗣️ 情景例句
You can say that again.
你说对了。
The darkest hour is that before the dawn.
黎明前是最黑暗的时刻。
When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously.
当伦敦动物园接到报告说，在伦敦以南45英里处发现一只美洲狮时，这些报告并没有受到重视。