quin.o.line

n.（名詞）
An aromatic organic base, C9H 7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics and dyes.
喹啉，氮（雜）萘：一種芳香的有機堿，C9H 7N，有一種刺鼻的類似焦油的氣味，從煤油中提取或人工合成，用作食品防腐劑，并用在制造防腐劑和染料中