复数：will-o'-the-wisps
1.鬼火,磷火
2.幻影,幻象;使人迷惑的人[东西];不可捉摸的东西
3.行踪不定的人
1.a phosphorescent light sometimes seen at night over marshy ground, caused by the spontaneous combustion of gases given off by rotting organic matter
2.somebody or something that is misleading or elusive, e.g. a false hope
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