cavity به انگلیسی
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From Longman Dictionary
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cav‧i‧ty /ˈkævəti/ noun (plural cavities) [countable]
formal a hole or space inside something
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Example
Put herbs inside the body cavity of the fish
I have no cavities (=no holes in my teeth)
It was a cavity made by the tumbling together of several large boulders, and roofed by the encroaching undergrowth
Remove fruit from cavity and use as a garnish
A final glance at the cavity bed reassured her that it looked just as it should