英语词汇preobservation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	preobservation
释义	preobservation preservationn. 保存；维护；防腐 observationaladj. 根据观察的；监视的 observationn. 观察；观察力；注意；评论 reservationn. 预定；保留意见 conservationistn. 自然资源保护者,生态环境保护者
随便看	airflow tester airflow velocity for eliminating dust air flow velocity index airflow wattmeter air flue airflue airflue gas mixture air flue gas mixture air flue mixture air fluidized bed airfluid level air fluid level air flush air flush drilling air flushing air flux airfoam air foam airfoam cushion air foam cushioning airfoam cushioning air foam detector air foam fire extinguishing system air foam generator air foam nozzle

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。