英语词汇tracer gas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	tracer gas
释义	tracer gas 【工程】空气流动示踪气体
随便看	hold ... against hold against hold a good hand holdall holdalls hold all the aces hold all the cards hold all the trumps hold aloof hold aloof from hold an appointment hold an election hold a parley with hold a parley with the enemy hold a pistol to someone's head hold a post at hold a rein hold a rein on hold a seat hold a stick to hold a suggestion of hold at arm's length hold ... at bay hold at bay hold a wolf by the ears

英汉双解词典包含483723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。