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TOEFL BNC: 15095 COCA: 12485

bedrock

1 ENTRIES FOUND:
bedrock /ˈbɛdˌrɑːk/ noun
bedrock
/ˈbɛdˌrɑːk/
noun
Learner's definition of BEDROCK
[noncount]
: the solid rock that lies under the surface of the ground基岩
: a strong idea, principle, or fact that supports something基本概念;基本原则;基本事实
often used before another noun常用于另一名词前

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