低温分离器leukotriene,lts: 白三烯leukotrienes, lts: 白三烯,白细胞三烯laser-triggered switching (lts): 雷射触动开关ldg lts=leading lights: 迭标导灯lts language teaching system: 语言教学系统下载手机词典可随时随地查词查翻译