taped lectures

例句：

1. 1. The professor gave a tape-recorded lecture on the history of science.
   教授对科学史进行了一次录音讲座。
2. 2. Many students prefer to watch recorded lectures instead of attending in person.
   许多学生更喜欢观看录播课而不是亲自去上课。
3. 3. The teacher used a video lecture to explain the difficult concepts in the course.
   老师使用视频讲座来解释课程中的难点。