adj. 混凝土制的; 具体的; 实在的
Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water.
The posts have to be set in concrete...
They had lain on sleeping bags on the concrete floor.
When you concrete something such as a path, you cover it with concrete.
He merely cleared and concreted the floors.
You use concrete to indicate that something is definite and specific.
He had no concrete evidence...
There were no concrete proposals on the table...
A concrete object is a real, physical object.
...using concrete objects to teach addition and subtraction.
A concrete noun is a noun that refers to a physical object rather than to a quality or idea.
If a plan or idea is set in concrete or embedded in concrete, it is fixed and cannot be changed.
As Mr Blunkett emphasised, nothing is yet set in concrete.
1. a strong hard building material composed of sand and gravel and cement and water
1. cover with cement;
2. form into a solid mass; coalesce
1. capable of being perceived by the senses; not abstract or imaginary;
2. formed by the coalescence of particles
be set in concrete
in the concrete
Everywhere you look, you can see glass and concrete monstrosities going up.
I do not regard the constitution of the U . K . as set in concrete.
We should make a concrete analysis of each specific question.
Now I'm coming to the concrete measures.
It is hard to prevent concrete from creeping.