speak a piece

例句：

1. 1. She spoke to the audience with confidence.
   她自信地对观众讲话。
2. 2. He spoke of his travels in Europe as a boy.
   他谈到自己小时候在欧洲的旅行经历。
3. 3. The teacher spoke clearly and slowly so that everyone could understand.
   老师发音清晰，语速慢，以便每个人都能理解。