Question

acridine
ac.ri.dine  AHD[²k“r¹-d¶n”]   DJ[6#kr!7di8n]  KK[6#kr!7din]
n.（名词）
    A coal tar derivative, C₁₃H₉N, that has a strongly irritating odor and is used in the manufacture of dyes and synthetics.
    吖啶，氮蒽，夹氮蒽：一种煤焦油衍生物，C₁₃H₉N，有极为强烈的刺激气味并可用于染料及合成物的生产