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  • word of the day

    d-layer

    d-layer - 365bet中国官方网站 definition and meaning for word d-layer

    Definition
    (noun) the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
    Synonyms : d region

  • Word used in video below:
    text: FIRST, THERE'S A LAYER OF LADYFINGERS
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