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pozzolana

/,pɔtsә'lɑ:nә/

📖 中文释义

  1. n. 火山灰(可用作水泥原料)
  2. n. =pozzuolana
📘 English Definition（英文释义）
  1. n. Volcanic ashes from Pozzuoli, in Italy, used in the
  2. manufacture of a kind of mortar which hardens under water.