英语词汇proficient in speaking怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	proficient in speaking
释义	proficient in— 精于 proficient — 精通 • 纯熟 • 谙练 • 博识 proficient (in sth)— 通晓 in-— 非 in prep — 中 prep • 于 prep • 其中 prep 2-in-1— 二合一
随便看	summary nature summary note summary notice summary of summary of accounting summary of accounting policies applied summary of achievements summary of actions summary of activities summary of all summary of all subjects summary of answers summary of a project summary of argument summary of assets summary of audit summary of benefits summary of changes summary of characteristics Summary of charges summary of comments summary of complaint summary of compliance summary of costs summary of data

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

proficient in—