concrete
/ˈkɒŋkriːt/
n. / adj.
一句话记住
混凝土;具体的;确实的
释义与例句
n.
混凝土
a hard building material made by mixing cement, sand, small stones and water
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The bridge is made of steel and reinforced concrete.
这座桥由钢材和钢筋混凝土建成。
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Workers poured concrete for the new pavement.
工人们为新路面浇筑混凝土。
展开其余 1 条例句
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Cracks had appeared in the concrete wall.
混凝土墙上出现了裂缝。
adj.
具体的;确实的
based on real facts, examples or physical things rather than general ideas
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We need concrete evidence before making an accusation.
提出指控之前,我们需要确凿的证据。
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The plan lacks concrete measures to reduce waste.
该计划缺少减少浪费的具体措施。
展开其余 1 条例句
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Use concrete examples to explain the abstract concept.
用具体例子来解释这个抽象概念。
词源与构词
记忆钩子
建筑材料中 concrete 是“混凝土”;论证中与 abstract 相对,是“具体的”,记 concrete evidence/example。
词族与关联词
同义词
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specific 具体的;特定的specific 强调明确、特定而非笼统;concrete 作“具体的”时更强调有实际事实、实例或可执行内容支撑,也可指有形实物,与 abstract 相对。The instructions give specific details about each step. 说明中给出了每一步的具体细节。
反义词
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abstract 抽象的abstract 指脱离具体实例或实物、偏概念性的;concrete 作形容词时指可由事实、实例或实际事物体现的具体内容。Young children often struggle with abstract mathematical ideas. 幼儿往往难以理解抽象的数学概念。
常见搭配
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reinforced concrete 钢筋混凝土The columns are built from reinforced concrete. 这些立柱由钢筋混凝土建成。
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concrete evidence 确凿证据The investigation has not produced any concrete evidence of fraud. 调查尚未发现任何欺诈的确凿证据。
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concrete example 具体例子She offered a concrete example to support her argument. 她举了一个具体例子来支持自己的论点。