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

• 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。
• Bedrock beneath Hebgen Lake warped and rotated, causing a seiche in the lake.
  赫布根湖底的基岩发生了翘曲和旋转，引起湖中浪涌。
• 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。
• Thereis, however, one bedrock on which Mandel's theory stands.
  然而，曼德尔的理论，有一个最基本的原理。
• 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。
• 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。
• Deep gorges gouged hundreds of metres into the bedrock;
  深峡在岩床中凿人了几百米；
• Analysis for the Spatial location of the bedrock surface and mechanical parameters on the deep anti-slide stability of gravity dams
  基岩结构面空间位置及力学参数对重力坝深层抗滑稳定影响分析
• The karstic collapse column is the old bedrock subside which the stiff non-dissolubility rock caved in subjacent karst cave.
  岩溶陷落柱系指坚硬的非可溶性岩层向下伏岩溶洞穴坍塌的老基岩塌陷。
• 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。