Since the vitreous has become quite watery, large floating spots of degenerative material can be easily seen.

因为玻璃体已经变得很潮湿，很容易看到退行性物质的大的漂浮斑。

Oil and floating material.

石油和漂浮物。

The article introduces principle of design and construction of HDPE film floating cover for sewage sink, construction of the cover, material selection as well as key points of its installation.

介绍了采用HDPE膜做污水池浮动盖的设计和施工原则，浮动盖的构成、材料选用和施工安装要点等。

We often put the polystyrene foam used as insulating materials and floating material, also used for refrigerators, freezers, shipping and storage container.

咱们常常把聚苯乙烯泡沫塑料用作绝缘资料和漂浮资料，也用于冰柜、冰箱、船舶和贮存容器。

The ion is electrified the material such as virus, dust, that are floating.

离子是带电的物质，如病毒，灰尘，这是浮动。