Polymers may be incorporated in concrete in two ways: either added to the unhardened concrete slurry or impregnated into the void structure of the hardened concrete.

聚合物以两种方式掺合于混凝土中：一种是添加于未硬结的混凝土稀浆中，另一种是浸渍于己硬结的混凝土中的孔洞结构中。

youdao

The void structure and daylighting by skylights inspire work and creation.

挑空构造，天窗采光，激发工作与创作灵感。

youdao

"This proposed legislation would fill a significant void in the current financial services regulatory structure."

VOA: standard.2009.03.24