Englishfor English speakers
field
Noun
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A field is an open area of land that can be used for many different things, from sports to crop-growing.
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A field is an area of study or work.
He was an expert in the field of American history.
field
Verb
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If you field something, you answer it; you address it.
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If you field the team, you place them in the game.
activity
Noun
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When a person or animal has activity, it is active or lively.
The sleeping dog did not show much activity.
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When you have a function to do, you have an activity.
The child has many after-school activities.
She participates in women's rights activities.