英语词汇be well up on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

英汉双解词典包含3607232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。

单词	be well up on
释义	be well up on
随便看	highway service facilities Highway sign highway signals fuzes highway standardized and beautified project highway statistics highway structures highway subgrade highway survey highways vote highway switch highway switching Highway system Highway systems highway tax highway technical administration highway technical file highway technical standard highwaytogroup demultiplexer highway to group demultiplexer highway toll highway, trackway for toys highway tractor highway traffic highway traffic director highway traffic law