这些名词均含“课”之意。
class : 从“班级”引申指学生在一起上课，还可表示“（一节）课”。
- My last class ends at four o'clock.
我最后一堂课4点结束。 - I was told off for talking in class.
我因为在课堂上讲话而受到了严厉批评。 - Who takes/teaches your environmental studies class?
谁教你们环境学？ - I missed my aerobics class yesterday.
我昨天没去上有氧健身操课。 - Classes have been cancelled today because of a staff meeting.
因为有全体教工会议，今天的课取消了。
lesson : 主要指教材中的一课或每次授课的单位时间。
- How can we make science lessons more interesting?
我们怎样才能把理科课程讲得更有趣一些呢? - She has never had/taken any acting lessons.
她从未上过表演课。 - He gives French lessons.
他教法语课。
lecture : （尤指面向学生的）讲课。
- We went to a lecture on Italian art.
我们去参加了一个关于意大利艺术的讲座。 - Who's giving the lecture this afternoon?
今天下午的课由谁来讲？
course : 指在一段时间内教完或学完的完整的课程。
- They're going away on a training course next week.
下星期他们要出去上实习课。 - I'd like to do (US take) a writing course when I retire.
退休后我想修一门写作课。 - Tim did a three-year course in linguistics at Newcastle.
蒂姆在纽卡斯尔大学修了为期3年的语言学课程。
