bedrock

英 [ˈbedrɒk]

美 [ˈbedrɑːk]

n.  牢固基础; 基本事实; 基本原则; 基岩(松软的沙、土层下的岩石)

过去分词：bedrocked　复数：bedrocks　

TOEFL

Collins.1 / BNC.15095 / COCA.12485

牛津词典

noun

• 牢固基础；基本事实；基本原则
  a strong base for sth, especially the facts or the principles on which it is based
  1. The poor suburbs traditionally formed the bedrock of the party's support.
     贫穷的郊区在传统上构成了支持该党的牢固基础。
  2. Honesty is the bedrock of any healthy relationship.
     诚实是维持一切良好关系的基本原则。
• 基岩（松软的沙、土层下的岩石）
  the solid rock in the ground below the loose soil and sand

柯林斯词典

• N-SING 根本原则；基础；基石
  Thebedrockof something is the principles, ideas, or facts on which it is based.
  1. Mutual trust is the bedrock of a relationship...
     互信是交往的基石。
  2. Working-class voters form the bedrock of Labour's support.
     工薪阶层选民是支持工党的基本力量。
  3. ...the bedrock principles of British democratic socialism.
     英国民主社会主义的根本原则
• N-UNCOUNT 基岩
  Bedrockis the solid rock in the ground which supports all the soil above it.
  1. It took five years to drill down to bedrock.
     耗时五年才钻到了基岩。

英英释义

noun

• principles from which other truths can be derived
  1. first you must learn the fundamentals
  2. let's get down to basics
  Synonym:fundamentalsbasicsfundamental principlebasic principle
• solid unweathered rock lying beneath surface deposits of soil

双语例句

• The layer of soil between the topsoil and bedrock.
  位于上层土和岩床之间的一层土壤。
• The upper part of the bedrock is gray sandstone, and the lower part is purplish red sandy mudstone.
  基岩上部为灰色砂岩，下部为紫红色砂质泥岩。
• Study of the Uplifting Deformation Mechanism of the Toe Slab in Dam Bedrock Grouting
  大坝基岩灌浆对趾板抬动变形的影响机理研究
• Petroleum or oil photogeology is primarily an evaluation of bedrock conditions.
  石油或石油摄影地质主要是研究基岩情况的。
• Working-class voters form the bedrock of Labour's support.
  工薪阶层选民是支持工党的基本力量。
• Once again, America's moral example must be the bedrock and the beacon of our global leadership.
  我再说一次，美国的道德榜样必须是我们作为世界领袖的基石和灯塔。
• China's shale is heavily mixed with clay, unlike the brittle bedrock that surrounds American shale.
  中国页岩掺杂大量粘土，而美国页岩则由比较脆的基岩包裹。
• These are the principles that form the bedrock of American society.
  这些是构成美国社会基础原则。
• Beneath the B-horizon and above the bedrock; consisting of weathered rock.
  土层中位于B层之下岩床之上的一层；由风化的岩石组成。
• The evidence is clear that healthy mothers and children are the bedrock of healthy and prosperous communities and nations.
  有证据清楚表明，健康的母亲和儿童是社区和民族健康与繁荣的基础。