dreg
n. 渣滓；沉淀物
例句
He left not a dreg in the glass.
他把一杯水喝得点滴不剩。
A digital image processing technique based on measuring method of foamed dreg edge was described.
提出一种基于数字图像处理技术的溶渣泡沫高度检测方法。
The content of soil pollutants in the studying area is tapering off with lasting dreg field blowdown ditching.
研究区土壤中的污染物含量随着与弃渣场排污沟距离的增大呈递减的趋势。
