| 单词 | opt in |
| 释义 | opt inphrasal verb opted in; opting in; opts in : to choose to do or be involved in something The company offered a new health insurance plan so that more workers would opt in. |
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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。