| 单词 | bone up on something |
| 释义 | bone up on something bone up on something → bone up on something at bone2(1) to learn as much as you can about a subject, because you need the knowledge, for example for an examinationbone up on something |
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英汉双解词典包含236457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。