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That means, it can only be rattling around in a circle of radius R.
也就是说它只能,限制在一个半径为 R 的圆上运动
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$firstVoiceSent
- 来自原声例句
That means, it can only be rattling around in a circle of radius R.
也就是说它只能,限制在一个半径为 R 的圆上运动
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