短语词组短语powdery substance 粉末状物质powdery talc [矿业]粉状滑石powdery snow 粉雪powdery corrosion 粉状锈的Powdery bottom 粉饼powdery stone 石粉powdery detergent 粉状洗涤剂powdery rot 粉腐病powdery midlew 粉状霉powdery mildew 白粉病；白粉菌 返回 powdery