cleaning: n.1.清洁法;扫除;清洗,洗涤;(种子的)清选。2.〔常 pl.〕(牛、羊等的)胞衣。3.【林业】除伐。4.〔pl.〕垃圾。5.〔口语〕(比赛等的)惨败,输光。6.〔口语〕巨额利润。短语和例子a general [thorough] cleaning大扫除。 take a cleaning (球队等)惨败。
cleaner: n.1.清洁工人;(干洗)洗衣工人。2.洗衣店(老板)。3.除垢器。短语和例子a lower cleaner【纺织;印染】下绒辊。 take sb. to the cleaners 〔俚语〕把(某人)钱财骗光,使输光。
Now the air cleaning system of cleanroom has developed perfect relatively . but compact assembling cleanroom in hospital need further development and perfection . the assembling cleanroom is used for preventing cross infections and transmission of infectious disease 现在洁净室的空气净化系统的发展已经比较完善,但是用在医院中的防止交叉感染或传染性疾病传播的小型装配式洁净室还有待进一步发展与完善。