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	low voltage drop low voltage electrical low-voltage electrical products low voltage Electronics low voltage energy low voltage equipment low voltage equipment 73 23 low voltage feed low voltage grid low-voltage guidelines low voltage lamp low voltage light low voltage lighting low-voltage logic low voltage luminaires low voltage machine low voltage main low voltage main distribution low voltage main distribution system low voltage mosfet low voltage motor low voltage net low-voltage network low voltage operated low-voltage operation

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—