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Word families (Nouns, Verbs, Adjectives, Adverbs): approximation, approximate, approximately
Xem thêm: about, close to, just about, some, roughly, more or less, around, or so
adv.
lasted approximately an hour
in just about a minute
he's about 30 years old
I've had about all I can stand
we meet about once a month
some forty people came
weighs around a hundred pounds
roughly $3,000
holds 3 gallons, more or less
20 or so people were at the party
