问题描述：
英语翻译
People turn to a pot of water,put a bottle of lubricating fluid over water,engage in a lubricating fluid.
告诉我语法点在哪个部分,我自己查,
People turn to a pot of water,put a bottle of lubricating fluid over water,engage in a lubricating fluid.
告诉我语法点在哪个部分,我自己查,
问题解答：
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