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  •   你查询的单词是:corona ([ kə'rəunə ]
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  •   解释: n. 电晕(冠状物,日冕,飞檐的上部)
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  •   例子: 1. A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.
       电晕在电晕放电中在高压电极出现的一种微弱光辉,常伴随有朝向低压电极的电流
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