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reflection factor

n.
1.the fraction of radiant energy that is reflected from a surface

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Word of the Day

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  • reflection
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  • reflecting telescope
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  • mordecai richler
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  • inferior mesenteric artery
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    Idiom of the Day

    give up
    to abandon or stop something
    I have decided to give up my plan to work in Hong Kong for a year.



    1.
    Choose an idiom to replace the expression in the brackets:
    The secretary gave me (many excuses) about why she was late with the report.

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