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vapor (EN)
名詞

名詞 “vapor”

単数形 vapor us, vapour uk、複数形 vapors us, vapours uk または不可算
  1. 蒸気
    Water vapor condenses to form clouds in the sky.
  2. 幻影 (すぐに消えるもの)
    His promises were just vapor; nothing ever came of them.