基本解释抹除区英汉例句双语例句By thoroughly cleaning this area before brushing the rest of the tooth' s surfaces, you can wipe out most of the problem- causing bacteria in your mouth.在刷牙齿其余表面之前彻底清洁这块区域， 你可 以消灭口腔中大部分会导致问题的细菌。