2. To help scrub the building interior clean. 帮忙把建筑的内部擦洗乾 。
3. Is there objective evidence that the scrub/pre clean chemistries are being analyzed by the laboratory on the documented frequency? 刷磨/预清洁化学药水是否有证据证明其有按照实验室文件规定的频率进行分析?
英英解释
n.
1. dense vegetation consisting of stunted trees or bushes
2. the act of cleaning a surface by rubbing it with a brush and soap and water v.
1. clean with hard rubbing
2. wash thoroughly
3. postpone indefinitely or annul something that was scheduled adj.
1. (of domestic animals) not selectively bred