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单词 bedrock
释义

WordReference Random House Learner's Dictionary of American English © 2024
bed•rock /ˈbɛdˌrɑk/USA pronunciation   n. 
  1. Geology[uncountable] unbroken solid rock in the earth below the soil.
  2. [countable] the bottom or lowest layer (of rock).
  3. a firm foundation or basis:[countable]claimed that democracy was the bedrock of our country.

WordReference Random House Unabridged Dictionary of American English © 2024
bed•rock  (bed′rok′),USA pronunciation n. 
  1. Geologyunbroken solid rock, overlaid in most places by soil or rock fragments.
  2. bottom layer;
    lowest stratum.
  3. any firm foundation or basis:Technical courses will be founded on a bedrock of sound, general education so as to produce a well-rounded engineer.
  4. the fundamental principles, as of a teaching, belief, or science:Let's strip away the cant and get down to bedrock.

adj. 
  1. basic;
    fundamental.
  • bed + rock1 1840–50, American.

Collins Concise English Dictionary © HarperCollins Publishers::
bedrock /ˈbɛdˌrɒk/ n
  1. the solid unweathered rock that lies beneath the loose surface deposits of soil, alluvium, etc
  2. basic principles or facts (esp in the phrase get down to bedrock)
  3. the lowest point, level, or layer
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更新时间：2024/9/21 16:16:43