旧书架上残留了一些旧书。

Some old books be left over on the old bookshelf.

烧烤后，烤架上残留了一些油渍。

After the barbecue, some grease be left over on the grill.

饭菜吃完后，桌上残留了一些米粒。

After the meal, some rice grains be left over on the table.

洗完碗后，水槽里残留了一些泡沫。

After washing the dishes, some foam be left over in the sink.

清理完房间后，地板上残留了一些灰尘。

After cleaning the room, some dust be left over on the floor.

罐子里还残留着一些油漆。

There was a residual amount of paint left in the can.

兽药残留可能对人体健康有害。

Residue of veterinary drug can be harmful to human health.

空气中弥漫着残留的烟味。

The residual smell of smoke lingered in the air.

农民需要遵守兽药残留的规定。

Farmers need to comply with regulations on residue of veterinary drug.

工厂必须妥善处理化学残留物。

The factory must properly dispose of chemical residues.