问题描述：
请帮忙看看这个复杂的英语句子
Physics is the present-day equivalent of____used to be called natural philosophy from which most of the present-day sciences arose.应该填what ,which为什么不行?并帮忙翻译一下这个句子,
Physics is the present-day equivalent of____used to be called natural philosophy from which most of the present-day sciences arose.应该填what ,which为什么不行?并帮忙翻译一下这个句子,
问题解答：
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