白鍵
はっけん
noun (common) (futsuumeishi)
see: 黒鍵
white keys
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発券
はっけん
noun (common) (futsuumeishi)
noun or participle which takes the aux. verb suru
issuing (a banknote, ticket, etc.)
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発見
はっけん
noun (common) (futsuumeishi)
noun or participle which takes the aux. verb suru
discovery
detection
finding
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