柯林斯词典purifier /ˈpjʊərɪˌfaɪə/ (purifiers) 1. N-COUNT A purifier is a device or a substance that is used to purify something such as water, air, or blood. 净化器[oft n N] ...air purifiers. ...空气净化器。 返回 purifier剑桥词典a machine or a substance that removes harmful substances from something 净化器；净化剂 a water purifier 净水器 an air purifier 空气净化器 In traditional medicine , certain herbs are used as blood purifiers. 在传统医学中，某些草药被用来净化血液。 返回 purifier