单词	heteroatom
释义	heteroatom noun het·​ero·​at·​om ˈhe-tə-rō-ˌa-təm  : an atom other than carbon in the ring of a heterocyclic compound Word History First Known Use 1900, in the meaning defined above Medical Definition heteroatom noun het·​ero·​at·​om ˈhet-ə-rō-ˌat-əm  : an atom other than carbon in the ring of a heterocyclic compound
随便看	rise in someone's estimation rise of floor rise through the ranks rise to rise to the challenge rise to the occasion rise to the occasion/challenge rise up in revolt risen risen above riser riser plate risers riserva rises rises (to) rises above rises to risetime rishi rishis Rishon LeẔiyyon risibilities risibility risible

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