concrete

concrete — 形容詞

1. real and able to be seen, touched, or experienced directly, rather than being ju

1.形容詞B2
釋義

具體的

明確且可實際感知的,非抽象的

real and able to be seen, touched, or experienced directly, rather than being just an idea or theory — for example, concrete evidence that proves someone was at the scene, or concrete plans that show exactly what will be done.

例句

The police officer asked for concrete evidence, not just gossip from neighbours.

警察要求具體的證據,而不是鄰居的閒言閒語。

collocation: concrete evidence / concrete proof

Minh needed concrete proof before she could report the problem to her boss.

Minh 需要有具體證據,才能向主管報告這個問題。

同義詞
  • specific

    focuses on precise details rather than general ideas; concrete is broader

  • tangible

    stresses physical touch; concrete can also describe non-physical things like proof

  • definite

    emphasizes certainty and clarity; concrete adds the idea of being real or solid

  • solid

    informal synonym; concrete is more formal

反義詞
  • abstract

    concrete refers to real things; abstract refers to ideas and theories

  • vague

    concrete is clear; vague is unclear or indefinite

文法句型

concrete + noun

用法筆記

Commonly pairs with nouns such as evidence, proof, plan, detail, and result. The opposite meaning is abstract.

常見錯誤

She gave me concrete instructions to turn left at the corner.
She gave me specific instructions to turn left at the corner.
💡Concrete works best for evidence, plans, and results; use specific for step-by-step directions.

2. made of the hard grey building material that is a mixture of cement, sand, stone

2.形容詞B1
釋義

混凝土製的

用水泥沙石混合材料建造的

made of the hard grey building material that is a mixture of cement, sand, stones, and water.

例句

The concrete floor in the garage was cold and damp during winter.

車庫的混凝土地板在冬天又冷又潮濕。

concrete + noun (floor, wall, pillar, path, fence)

Obi leaned against the concrete wall outside the train station.

Obi 靠在火車站外的混凝土牆上等著。

同義詞
  • cement

    cement is an ingredient of concrete, not a synonym; learners often confuse the two

文法句型

concrete + noun

用法筆記

Typically modifies nouns for building elements: floor, wall, pillar, path, fence, block, slab.

3. formed into a single hard mass from separate particles or parts, usually by a na

3.形容詞C1
釋義

固化的

粒子凝結成單一硬塊的

formed into a single hard mass from separate particles or parts, usually by a natural process such as cooling or drying.

例句

The hot lava formed a concrete mass as it flowed down the mountain slope.

炙熱的熔岩沿著山坡流下,形成了凝固的塊體。

concrete mass (geological formation)

Inside the cave, minerals built up into a concrete layer on the rock surface.

在洞穴內部,礦物質在岩石表面堆積成堅硬的層。

同義詞
  • solidified

    more common in everyday language; concrete is formal and technical

  • hardened

    broader meaning; concrete is more specific about particle coalescence

反義詞
  • loose

    separate particles that have not bonded together

  • powdery

    a substance in fine, separate grains

文法句型

concrete + mass / layer / block

用法筆記

Technical or formal register. Rarely used in everyday conversation; the verb sense solidify is more common for this idea.

concrete — 名詞

concrete — 動詞