1. 教师;老师;教员
A teacher is a person who teaches, usually as a job at a school or similar institution.
e.g. I'm a teacher with 21 years' experience.
我是个有 21 年教龄的教师。
e.g. ...her chemistry teacher.
她的化学老师
名词教师，教员，老师，先生; [航]教练机