| 单词 | bone up |
| 释义 | bone up bone up INFORMAL — phrasal verb with bone /bəʊn/ aep /boʊn/ verb ► F0 to learn as much as you can about something for a special reason: » She boned up on economics before applying for the job.Thesaurus+: ↑Knowing and learning |
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英语词典包含67674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。