| 释义 |
quaternary ammonium compound 【化学】季铵化合物[亦作 quaternary ammonium salt] 以上来源于：《21世纪大英汉词典》 quaternary ammonium compoundn.【化】季铵化合物详细释义源自:《新世纪英汉大词典》Collins外研社 n.季铵化合物【化学】英英释义n.a compound derived from ammonium with hydrogen atoms replaced by organic groups; |