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TOEFL IELTS BNC: 3840 COCA: 3310

B2 a very hard building material made by mixing together cement, sand, small stones, and water混凝土

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.

to cover something in concrete用混凝土覆盖

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?

C1 clear and certain, or real and existing in a form that can be seen or felt确定的,确实的;具体的,有形的,实在的

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。

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.


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