| 单词 | θ178456 |
| 释义 | society > morality > duty or obligation > [phrase] (5) Subcategories:— as a moral duty (1) — incumbent upon (2) — in virtue of one's official duty (1) — due and customary (1) |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。