主講的`英文：
give a lecture
lecture是什麼意思：
n. 講座，講課，演講；教訓，告誡，訓斥
v. 教訓，告誡，訓斥；講授，講課，做講座，演講
The students are attending a lecture in the lecture theatre.
學生們正在階梯教室裏聽講演。 Lecture Theatre; Terrace Classroom
階梯教室 Attendance at lectures is compulsory.
這些講座是必須參加的。He is lecturing on Russian literature.
他正講俄羅斯文學。The lecture was absolutely deadly.
這演講簡直無聊透了。
