Lesson 15-The President as Corporate Salesman I. Wordstudy 9.mediocre a not very good Examples: a I thought the film was pretty mediocre. a He is a mediocre student mediocrity n.平常;平庸之才 a Her performance was below mediocrity. WBTLE BACW B T L E I. Word Study 9. mediocre a. not very good Examples: I thought the film was pretty mediocre. He is a mediocre student. mediocrity n. 平常；平庸之才 Her performance was below mediocrity. Lesson 15 – The President as Corporate Salesman