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1. CEDict

   吖嗪

   • pinying[a1 qin2]

   • -azine；heterocyclic compound containing nitrogen in their ring such as pyridine 吡啶[bi3 ding4] C5H5N, pyrazine 哒嗪[da1 qin2] C4H4N2 or pyrimidine 嘧啶[mi4 ding4] C4H4N2