知识贝壳
知识贝壳
所属栏目：英语习语
in addition to what is required; more than is required by the terms of ones employment. □ We didnt expect the police officer to drive us home. That was above and beyond the call of duty. □ The English teacher helped pupils after school every day, even t ......（本文共 236 字 ） [阅读本文] >>