1. 混凝土
    Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water.

concrete的意思

    e.g. The posts have to be set in concrete...
           这些柱子必须用混凝土固定。
    e.g. They had lain on sleeping bags on the concrete floor.
           他们就躺在铺在混凝土地面上的睡袋上。

2. 用混凝土浇筑(或覆盖)
    When you concrete something such as a path, you cover it with concrete.

    e.g. He merely cleared and concreted the floors.
           他只是把地面清理之后浇上了混凝土。

3. 具体的;确实的
    You use concrete to indicate that something is definite and specific.

concrete的翻译

    e.g. He had no concrete evidence...
           他没有确凿的证据。
    e.g. There were no concrete proposals on the table...
           没有具体的提议可供讨论。

4. 实在的;有形的
    A concrete object is a real, physical object.

    e.g. ...using concrete objects to teach addition and subtraction.
           用实物来教加减法

5. (名词)具体的
    A concrete noun is a noun that refers to a physical object rather than to a quality or idea.

6. (计划或观点)固定的，不变的
    If a plan or idea is set in concrete or embedded in concrete, it is fixed and cannot be changed.

    e.g. As Mr Blunkett emphasised, nothing is yet set in concrete.
           正如布伦基特先生所强调的，一切都还没有定下来。