benzene formula

常见例句

• The formula of the medicine is still a secret.
  此葯的配方仍是秘密。
• "How do you do?" is a polite formula.
  "您好。"是客氣的套語。
• centric benzene formula
  曏心苯式
• It was Hart who created the basic formula of the western film.
  正是這個哈特創造了西部電影的基本格侷。
• Having a ring composed exclusively of carbon atoms, as benzene.
  碳環的有一個僅由碳原子組成的環的，如苯
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