collect, specimens ( of plants or animals), develop, a theory, discover, something ( that no one knew about before), do, an experiment (to learn what happens), do (2), research (into a subject), invent, something (that didn't exist before), observe, or watch carefully, take, measurements ( of the size of sth), take (2), notes (so you can remember information)

Focus 2 Unit 2 collocations

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