日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

heterocycle

音標(biāo)['hetərəusaikl]
heterocycle是什么意思、heterocycle怎么讀

heterocycle漢語翻譯

【化】 雜環(huán)

heterocycle英語解釋

名詞 heterocycle:

  1. a compound containing a heterocyclic ring
    同義詞:heterocyclic compound, heterocyclic
  2. a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon
    同義詞:heterocyclic ring
0
糾錯