英语词汇protosubstance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	protosubstance
释义	protosubstance 网络释义 1 ?矿脂胶凝质矿脂胶凝质
随便看	approach infinity as a limit approaching approaching announcing in cab approaching buoy approach channel approaching cutoff approaching face approaching flow approaching market approaching one another approach response approachings approaching sampling technique approaching side approaching signal approaching station whistle approaching target approaching the customer approaching vessel approach jetty approach lane approach lane control officer approach lane approach learning approach length

英汉双解词典包含3185865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。