详细解释:n. (英)清道夫, 清扫工, 拾垃圾的人, 清除剂, 净化剂, 食腐动物, 黄色作家
【计】 清除器
【化】 清除剂; 净化剂
【医】 清道工人, 清除剂, 净化剂
英语解释：
名词 scavenger:
a chemical agent that is added to a chemical mixture to counteract the effects of impuritiessomeone who collects things that have been discarded by others同义词：magpie, pack rat