| 释义 | 
		Definition of bedrock in English: bedrocknounˈbɛdrɒkˈbɛdˌrɑk mass noun1Solid rock underlying loose deposits such as soil or alluvium. 基岩 Example sentencesExamples -  Because of the ice cover over most of the continent, only a few sites are actually available at which bedrock is exposed at the surface.
 -  Carbonate-rich Paleozoic bedrock characterizes the geology of the Mixedwood Plains.
 -  Erosion of the underlying bedrock appears to have been limited.
 -  A shallow shaft was excavated to bedrock, followed by drilling and blasting.
 -  Dams, sea walls, and levees must be founded on firm base material, preferably bedrock.
 -  Flat or slightly rolling terrain is the rule here, and thick soil deposits overlay Cretaceous shale bedrock.
 -  The plants were growing from several fissures in the mafic bedrock that underlies the creek.
 -  Surrounded by rivers, the allotted area consists of water-infused soil with no bedrock.
 -  The greensand soil and chalky bedrock are similar to the soil found beneath the vineyards of the Champagne region, and are integral to its flavour.
 -  These prairies, like the Black Belt, have rich soils derived from calcareous bedrock.
 -  It also includes the air and water space above, and the subsoil and bedrock below that.
 -  Our first objective was to determine the extent to which bedrock and aspect affected soils of the Holyoke Range.
 -  When it is spread close to a stream or on shallow soil over bedrock, what is the threat?
 -  All the stages are based on hard-packed bedrock so hopefully they shouldn't deteriorate too much.
 -  At the most basic a round barrow is simply a roughly hemispherical mound of soil, stone, and redeposited bedrock heaped over a central burial.
 -  Little of New Brunswick is underlain by bedrock suitable for the formation of solution caves.
 -  The hotel is built on an outcrop of bedrock - the only place in the area where the ground is not permafrost.
 -  Four of the five populations were growing in faulted crevices of bedrock associated with shoals.
 -  Built from reformed rock, the walls were solid, and as strong as bedrock.
 -  At the summit of the bluff is a small clearing with exposed slate bedrock, fractured by cracks and crevices.
 
 Synonyms substratum, substructure, understructure, solid foundation, base, basis, underpinning, bed, rock bed - 1.1 The fundamental principles on which something is based.
〈喻〉基本原则,基本原理  honesty is the bedrock of a good relationship 诚实是良好关系的基础。 Example sentencesExamples -  Physics gave him a solid foundation, the bedrock for all his beliefs about the universe.
 -  Give them a clear standard that is in accordance with the bedrock principles of our nation.
 -  We need cool heads, warm hearts and our bedrock values of fairness and equality to choose the right path.
 -  These terms were to remain as the bedrock of his artistic principles even though his manner and procedures of painting were to change quite radically.
 -  Surely patient confidentiality is one of the bedrocks on which good medical practice is based.
 
 Synonyms core, basis, base, foundation, root, roots, heart, backbone, essence, nitty-gritty informal nuts and bolts  
    Definition of bedrock in US English: bedrocknounˈbedˌräkˈbɛdˌrɑk 1Solid rock underlying loose deposits such as soil or alluvium. 基岩 Example sentencesExamples -  A shallow shaft was excavated to bedrock, followed by drilling and blasting.
 -  Surrounded by rivers, the allotted area consists of water-infused soil with no bedrock.
 -  These prairies, like the Black Belt, have rich soils derived from calcareous bedrock.
 -  At the summit of the bluff is a small clearing with exposed slate bedrock, fractured by cracks and crevices.
 -  The hotel is built on an outcrop of bedrock - the only place in the area where the ground is not permafrost.
 -  It also includes the air and water space above, and the subsoil and bedrock below that.
 -  All the stages are based on hard-packed bedrock so hopefully they shouldn't deteriorate too much.
 -  Because of the ice cover over most of the continent, only a few sites are actually available at which bedrock is exposed at the surface.
 -  Dams, sea walls, and levees must be founded on firm base material, preferably bedrock.
 -  Erosion of the underlying bedrock appears to have been limited.
 -  When it is spread close to a stream or on shallow soil over bedrock, what is the threat?
 -  The greensand soil and chalky bedrock are similar to the soil found beneath the vineyards of the Champagne region, and are integral to its flavour.
 -  The plants were growing from several fissures in the mafic bedrock that underlies the creek.
 -  Flat or slightly rolling terrain is the rule here, and thick soil deposits overlay Cretaceous shale bedrock.
 -  Little of New Brunswick is underlain by bedrock suitable for the formation of solution caves.
 -  Built from reformed rock, the walls were solid, and as strong as bedrock.
 -  Carbonate-rich Paleozoic bedrock characterizes the geology of the Mixedwood Plains.
 -  Our first objective was to determine the extent to which bedrock and aspect affected soils of the Holyoke Range.
 -  Four of the five populations were growing in faulted crevices of bedrock associated with shoals.
 -  At the most basic a round barrow is simply a roughly hemispherical mound of soil, stone, and redeposited bedrock heaped over a central burial.
 
 Synonyms substratum, substructure, understructure, solid foundation, base, basis, underpinning, bed, rock bed - 1.1 The fundamental principles on which something is based.
〈喻〉基本原则,基本原理  honesty is the bedrock of a good relationship 诚实是良好关系的基础。 Example sentencesExamples -  We need cool heads, warm hearts and our bedrock values of fairness and equality to choose the right path.
 -  Physics gave him a solid foundation, the bedrock for all his beliefs about the universe.
 -  These terms were to remain as the bedrock of his artistic principles even though his manner and procedures of painting were to change quite radically.
 -  Give them a clear standard that is in accordance with the bedrock principles of our nation.
 -  Surely patient confidentiality is one of the bedrocks on which good medical practice is based.
 
 Synonyms core, basis, base, foundation, root, roots, heart, backbone, essence, nitty-gritty  
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