[化] 致死浓度 lethal concentration (lc): 致死浓度lethal concentration low (lc lo): 最低致死浓度lethal concentration: 致命浓度; 致死浓度absolute lethal concentration: 绝对致死浓度alc = approximate lethal concentration: 接近致死浓度下载手机词典可随时随地查词查翻译