adverb大约,左右;到处,在各处;将近,几乎;在某处,在这里
preposition有关,关于;目的是,为了;以…为重;到处,在各处
adverba little more or less than; a little before or after
adverbin a lot of different directions or places
adverbalmost; nearly
adverbin a place; here
prepositionof; on the subject of
prepositionused to describe the purpose or an important part of something
prepositionin a lot of different directions or places