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小公主的小公猪
terrestrial gravity: [ti'restri�0�5l, t�0�5-] ['ɡr�0�3viti]
暗香微漾
Earth's gravity. In such a manner
Charles2Lillian
gravity of the earth. with this method.
不合理存在
gravitation英音：[,gr�0�3vi'tei�0�6�0�5n]
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