1 N-UNCOUNT [oft NOUN n] 混凝土 Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water. 混凝土
SYN cement [non-technical] , concretion
2 VERB 用混凝土浇筑(或覆盖) When you concrete something such as a path, you cover it with concrete. 用混凝土浇筑(或覆盖)
3 ADJ-GRADED [usually ADJ n] 具体的;确实的 You use concrete to indicate that something is definite and specific. 具体的;确实的
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He had no concrete evidence.
他没有确凿的证据。
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There were no concrete proposals on the table.
没有具体的提议可供讨论。
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I must have something to tell him. Something concrete.
我必须告诉他点什么,必须是具体的东西。
SYN specific, precise, explicit, definite
4 ADJ [usually ADJ n] 实在的;有形的 A concrete object is a real, physical object. 实在的;有形的
SYN real, material, actual, substantial [formal]
5 ADJ [ADJ n] (名词)具体的 A concrete noun is a noun that refers to a physical object rather than to a quality or idea. (名词)具体的
6 PHRASE (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. (计划或观点)固定的,不变的
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