a ghost or ghostlike image of a person
幽灵;人的幽灵般的幻影。
[mass noun]the appearance of something remarkable or unexpected, especially an image of this type
(特异景象等的)出现,显形;特异景象
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the transient apparition of a spectre. 幽灵的转瞬即逝。
"late Middle English (in the sense ‘the action of appearing’): from Latin