Saint Elmo's fire

柯林斯詞典

Saint Elmo's fire /??lm??z/

• 1. N (not in technical usage) a luminous region that sometimes appears around church spires, the masts of ships, etc. It is a corona discharge in the air caused by atmospheric electricity 圣-艾耳莫火; 教堂頂、船桅等上面區(qū)域放亮，為大氣層生電而產生的光暈 (Also called corposant)

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