concrete

The workers poured fresh concrete into the wooden frames to form the building's foundation.

(Chinese) 工人们将新鲜的混凝土倒入木制框架中，以形成建筑的地基。

Concrete structures are preferred for skyscrapers because of their strength and fire resistance.

(Chinese) 混凝土结构因其强度和耐火性而被首选用于摩天大楼。

The police cannot arrest the suspect without concrete evidence linking him to the crime.

(Chinese) 没有具体的证据证明嫌疑人与犯罪有关，警察就不能逮捕他。

Please give me a concrete example of how this software will improve our daily workflow.

(Chinese) 请给我一个具体的例子，说明这款软件将如何改善我们的日常工作流程。