| 词汇 | thesaurus_be-proficient-in |
| 释义 | be proficient inverb These are words and phrases related to be proficient in. Click on any word or phrase to go to its thesaurus page. MASTERSynonymsmaster grasp learn thoroughly be adept in be skilled at excel at get the hang of |
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。