| 单词 | pen in |
| 释义 | pen inidiom : to prevent (someone or something) from moving beyond a particular area The prisoners were penned in by a high fence. —often used figuratively She felt penned in by their relationship. |
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英语词典包含469781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。