| 单词 | bedrock |
| 释义 | bedrock /bed"rok'/, n. 1. Geol. unbroken 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. 5. basic; fundamental. [1840-50, Amer.; BED + ROCK1] |
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