| 词组 | occasion |
| 释义 | 注意前面的介词: at the occasion of the celebration on the occasion of the 50th anni- versary for the occasion of their wedding upon the occasion of the retire- ment of the occasion occupation，job，work，profes- |
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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。