英语词汇be well up on something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	be well up on something
释义	请查阅词条:be well up in/on something
随便看	sea dogs sea-dogs seadogs sea empress sea-empress seaempress Sea Empress, the seafarer seafarer seafarers seafaring sea-floor sea floor seafloor sea-floors seafood seafood cocktail seafood platter seafood/prawn/lobster cocktail seafoods seafront seafronts seagoing sea green sea-green

英汉双解词典包含283110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。