英语词汇ultra-trace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	ultra-trace
释义	ultra-trace 简明释义超痕量网络释义 1 ?超痕量超痕量短语 1 ultra trace 超痕量 2 Ultra Trace Minerals 浓缩矿物质 3 ultra-trace la 超痕量镧双语例句 1 An automated sequential injection system incorporating a sample pretreatment module was developed for the separation and preconcentration of ultra-trace copper in seawater without dilution. 将样品预处理模块与自动化顺序注射系统相结合，建立了未经稀释的海水中痕量铜的分离富集方法。
随便看	make-up flow make up for make up for a deficiency make-up for coolant gas losses make up for it make up for lost time make up for something make up for sth make-up fresh feed water make up from make-up fuel make-up fuel supply make up gas makeup gas make-up gas makeup girl makeup girl make up ground make-up heat make up heat make up her mind make up his mind make-up holding tank make-up hydrogen makeup hydrogen

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。