| 单词 | -in |
| 释义 | -in (forming compound ns 用以构成复合名词) (becoming dated 渐旧) (added to another word (usu a v) to indicate an activity in which many people participate 附於另一词（通常为动词）後, 表示有很多人参加的活动): a `sit-in * `teach-ins. |
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英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。