短語(yǔ)詞組短語(yǔ)washback or backwash effect 反撥作用backwash effect detail 反響傚果active backwash effect 積極反撥作用positive backwash effect 反撥作用negative backwash effect 負(fù)麪反撥傚應(yīng) 返回 backwash effect