是固定用法!
给你找了英语的解释!
Look forward to is one of the many phrasal verbs in English in which an adverbial particle (forward) as well as a preposition (to) is combined with the stem verb to signify a particular meaning.What we are looking forward to can be exemplified as either as a noun phrase or as a verb-phrase with an -ing pattern
I look forward to seeing you.为什么see加ing
I look forward to seeing you.为什么see加ing
英语人气：867 ℃时间：2019-11-20 04:53:06
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