concrete /ˈkɒnkriːt/ star3 CET4 TEM4 (concreting,concreted,concretes)

• 1.  

  N-UNCOUNT（不可数名词） Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water. 混凝土

  例：

  The posts have to be set in concrete.

  这些柱子必须固定在混凝土中。

• 2.  

  V-T（及物动词） When you concrete something such as a path, you cover it with concrete. 给 (道路等) 浇混凝土

  例：

  He merely cleared and concreted the floors.

  他只是清理了地板并浇上了混凝土。

• 3.  

  ADJ（形容词） You use concrete to indicate that something is definite and specific. 明确具体的

  例：

  I had no concrete evidence.

  我当时没有明确而具体的证据。

• 4.  

  ADJ（形容词） A concrete object is a real, physical object. 实物的

  例：

  ...using concrete objects to teach addition and subtraction.

  …用实物教加减运算。

• 5.  

  ADJ（形容词） A concrete noun is a noun that refers to a physical object rather than to a quality or idea. 具体的 (名词) [ADJ n]