scrubber

详细解释:【化】 涤气器; 洗涤器; 洗涤塔; 擦洗粉
【医】 洗涤器, 洗氧器, 清洁工

英语解释：

名词 scrubber:

a worker who uses a scrub brush to clean a surface (usually a floor or deck)a brush with short stiff bristles for heavy cleaning同义词：scrub brush, scrubbing brush