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pyrene

/'pairi:n/

📖 中文释义

  1. n. 分核, 小坚果
  2. [化] 芘
📘 English Definition（英文释义）
  1. n. a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
  2. n. the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it