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benzoquinone

n.
1.any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins

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  • Idiom of the Day

    what about
    about or concerned about something
    I know that my friend wants to borrow my tent but what about my sleeping bag.



    1.
    Choose an idiom to replace the expression in the brackets:
    The amount of money which we collected during the fund-raising campaign (was not enough for) what we needed.

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