membrane

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mem|brane /m'embreɪn/ (membranes)
[N-COUNT]
A membrane is a thin piece of skin which connects or covers parts of a person's or animal's body.mu|cous mem|brane /mj'uːkəs m'embreɪn/ (mucous membranes)
[N-COUNT]
A mucous membrane is skin that produces mucus to prevent itself from becoming dry. It covers delicate parts of the body such as the inside of your nose. (TECHNICAL)

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abreast

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ablaze

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allowance

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