| 词组 | duty |
| 释义 | 1． on duty( 值班) ，off duty( 下班) 中的 duty 前面不加冠词: I'm off duty / on duty. 2． 下面句子中，duty 前一般也不用冠词: She has a strong sense of duty. He reported for duty in the morn- ing. 3． 表示“职责”时，duty 用单复数形式都有。 1) 复数: His duties include drafting letters for the president. He carried out his duties well. 2) 单数: It's my duty to help her. His duty is to look after the ani- mals. |
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英语用法大全包含3679条英语用法指南，基本涵盖了全部常用英文词汇及语法点的翻译及用法，是英语学习的有利工具。