speech plus simplex

例句：

1. 1. He gave a speech at the conference last night.
   他昨晚在会议上发表了演讲。
2. 2.She is good at expressing her thoughts in words.
   她善于用言语表达自己的想法。
3. 3.The teacher asked the students to speak up during the class.
   老师要求学生们在课堂上发言。