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So we know that it'll go up for one second then it will turn around and come back.
我们知道了,物体在上升一秒后开始下降
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$firstVoiceSent
- 来自原声例句
So we know that it'll go up for one second then it will turn around and come back.
我们知道了,物体在上升一秒后开始下降
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