concrete
noun [ U ] uk/ˈkɒŋ.kriːt/ us/ˈkɑːn.kriːt/
B2 混凝土
a very hard building material made by mixing together cement, sand, small stones, and water
reinforced concrete 钢筋混凝土
a concrete floor/path 混凝土地面／道路
a grey concrete building 灰色的混凝土建筑物
- More examples
- The bomb shelter has concrete walls that are three metres thick.
- The foundation of the house is built from rubble overlaid with concrete.
- A row of reinforced concrete pillars supports the bridge.
- Weeds were pushing up through the cracks in the concrete.
- Don't walk on the concrete until it has set.
concrete
verb [ T ] UK uk/ˈkɒŋ.kriːt/ us/ˈkɑːn.kriːt/
用混凝土覆盖
to cover something in concrete
Why did you concrete over that nice garden? 你为什么把那个漂亮的花园铺上混凝土？
concrete
adjective uk/ˈkɒŋ.kriːt/ us/ˈkɑːn.kriːt/
C1 确定的，确实的；具体的，有形的，实在的
clear and certain, or real and existing in a form that can be seen or felt
They think she killed her husband, but they have no concrete evidence. 他们认为她杀死了自己的丈夫，但是没有确凿的证据。
We have a general idea of what we want, but nothing concrete at the moment. 我们对需要什么有个大致的想法，可是具体的东西目前还没有想好。
Opposite: abstract (GENERAL)
- More examples
- It is sometimes easier to illustrate an abstract concept by analogy with something concrete.
- He drew attention to the absence of concrete evidence against the defendant.
- I have a suspicion that he's having an affair, though I don't have any concrete proof.