演说家

例句：

1. 1.He gave a speech at the conference lastweek.
   他上周在会议上发表了演讲。
2. 2. Theteacher asked the students to give a speechon environmental protection.
   老师要求学生们就环境保护发表演讲。
3. 3. She was so nervous that shecouldn't speak a word during herspeech.
   她在演讲时非常紧张，一句话也说不出来。