1. Mulberry red pigment hence was a good kind of natural radical scavenger. 桑椹红色素是一种很好的天然自由基清除剂。
2. Tea catechin is a high effective and low toxic scavenger of free radical and has various pharmacological and healthy functions. 茶儿茶素是一种高效低毒的自由基清除剂，具有多种药理和保健功能。
3. This hyena, rather than being the slinking scavenger of Africa's wilds, is quite capable of bringing down prey as large as a zebra. 这只土狼，并不是非洲荒野中偷偷摸摸的食腐动物，而是具有杀死像斑马那样大的猎物的能力。
英英解释
n.
1. a chemical agent that is added to a chemical mixture to counteract the effects of impurities
2. someone who collects things that have been discarded by others
3. any animal that feeds on refuse and other decaying organic matter
