十一、介词(preposition)
Prepositions are a class of structural words that indicate various semantic relations between words or expressions. Prepositions are usually divided into the following three types:1)简朴介词(Simple Prepositions)about, across, after, against, among, around, at, before, behind, below, beside, besides, between, beyond, but, by, down, during, except, for, from, in, like, of, off, on, over, near, past, round, since, through, till, to, towards, under, until, up, with, per, via;
2)合成介词(C ...


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