ledv.引导;领先;带领(动词lead的过去式和过去分词)abbr.发光二极管(=light emitting diode)
lecturen.讲课;演讲;训话v.训斥;讲课;教导
lecturersn.讲师;演讲者(lecturer的复数)
lecturership讲师职位
Lecturer/Instructor讲师