# precautionary ##### 词义 - 英：/prɪˈkɔːʃənəri/； 美：/prɪˈkɔːʃəneri/ - #词性/adj 预防的；防备的；警惕的 ##### 例句 - The precautionary measures to prevent skirt from fracturing , by means of ultrasonic flaw detection technology , are discussed . - 探讨了用超声波技术对运用机车柴油机钢顶铝裙活塞裙部裂损进行提前预防的措施和方法。 - Thus the reason of accident is analyzed and the precautionary measures are bring forward . - 对事故原因进行了分析提出了预防的措施和方法。 - He was kept in the hospital overnight as a precautionary measure . - 为了谨慎起见，他被安排整晚留院观察。