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 pinhead ['pinhed]   添加此单词到默认生词本
n. 针头, 小东西, 微不足道的东西



    pinhead
    [ noun ]
    1. an ignorant or foolish person

    2. <noun.person>
    3. the head of a pin

    4. <noun.artifact>


    1. Scientists on Friday released 50 parasitic Israeli wasps, each smaller than a pinhead, hoping the pests would zero in on Southern California's growing ash whitefly population.
    2. GTE scientists etched a tiny chip of silicon with grooves that allow lasers the size of a pinhead and hair-thin fibers to be mounted automatically.
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