lecture
英 ['lektʃə]
美['lɛktʃɚ]
	    - n. 演讲;讲稿;教训
 - vt. 演讲;训诫
 - vi. 讲课;讲演
 
英英释意
- 1. a speech that is open to the public;
 - "he attended a lecture on telecommunications"
 
- 2. a lengthy rebuke;
 - "a good lecture was my father's idea of discipline"
 - "the teacher gave him a talking to"
 
- 3. teaching by giving a discourse on some subject (typically to a class)