Any teacher will tell you that students learn at different rates.

　　任何老師都知道學生學習有快有慢。

　　His first music teacher was a major influence in his life.

　　他的第一位音樂老師是他一生中對他影響非常大的'人。

　　She spent most of her working life as a teacher.

　　她一生中大部分工作時間都當教師。

　　I have to go to the dentist tomorrow.

　　我明天得去看牙醫(yī)。

　　You should visit your dentist at least twice a year.

　　你應該每年至少去看兩次牙科醫(yī)生。

　　He keeps putting off going to the dentist.

　　他把看牙醫(yī)的事一拖再拖。