concrete
Definition
A building material made from a mixture of cement, sand, aggregate, and water; real or tangible as opposed to abstract.
中文 由水泥、沙子、骨料和水混合制成的建筑材料；真实或有形的，而非抽象的。
Example
"The statue was mounted on a concrete pedestal."
A building material made from a mixture of cement, sand, aggregate, and water; real or tangible as opposed to abstract.
中文 由水泥、沙子、骨料和水混合制成的建筑材料；真实或有形的，而非抽象的。
"The statue was mounted on a concrete pedestal."