英语词汇preobservations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	preobservations
释义	preobservations preservationistn. 保护主义者 preservationn. 保存；维护；防腐 observationaladj. 根据观察的；监视的
随便看	ultrasonator ultra sonator ultrasond computer fomography Ultrasone ultra sonic ultrasonic ultrasonic absorption ultrasonic absorption coefficient ultrasonic absorption measurement ultrasonic actuator ultrasonic adhesion ultrasonic agglomeration ultrasonic agglomerator ultrasonic agitation ultrasonic alarm system ultrasonically ultrasonically activated extruder ultrasonically guided biopsy ultrasonically guided fine needle aspiration biopsy ultrasonically guided fine needle percutaneous puncture ductography ultrasonically guided fine needle percutaneous transhepatic cholangiography ultrasonically guided fine needle puncture ultrasonically guided percutaneous alcohol injection ultrasonically guided percutaneous aspiration biopsy ultrasonically guided percutaneous balloon catheter mitral commissurotomy

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