| 词汇 | operosely |
| 释义 | op·er·ose·ly worked their arduous way up the mining valley a grueling campaign hard labor heavy work heavy going spent many laborious hours on the project set a punishing pace |
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英汉汉英双解词典包含9999994条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。