This is a scum

渣───residue;个人───personal

It is serious that the pesticides residues exceeded maximum residue limit in Chinese edible fungi.───食用菌中农药残留超标,不仅危害广大人民的身体健康,同时也影响到食用菌进入国际市场.

Mary scraped the residue of food from the plates before putting them under water.───玛丽在把盘子放入水之前先刮去上面的食物残渣.

Residue is probably only a bar that camping zipper.───残留的大概只剩下那次野营拉练了吧.

Pesticide residue acute dietary risk assessment has attracted attention only recently.───农药残留急性膳食风险评估直到最近才引起大家的关注.

OILY SUBSTANCES ARE CONFINED TO OIL RESIDUE , OILY WATER AND SLUDGE.───残余油类物质种类系指残油 、 含油污水和油泥.

A residue can build up on the hair shaft, leaving the hair limp and dull looking.───残留物会积聚在头发上，使头发看起来软塌塌的，而且毫无光泽。

The alcohol is later evaporated, leaving only the residue behind.───后来酒精被蒸发掉, 只留下残渣.

Activated carbon was prepared from flax residue with zinc chloride ( ZnCl _ 2 ) by microwave radiation.───以亚麻屑为原料,采用微波辐射 氯化锌 法制备活性炭.

Mary scraped the residue of food from the plates before putting them under water.