查词历史:
- Bedrock
1.
N-SING
根本原则;基础;基石 The bedrock of something is the principles, ideas, or facts on which it is based.
2.
N-UNCOUNT
基岩 Bedrock is the solid rock in the ground which supports all the soil above it.
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It took five years to drill down to bedrock.
耗时五年才钻到了基岩。
- Noun
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1. solid unweathered rock lying beneath surface deposits of soil
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2. principles from which other truths can be derived;
- "first you must learn the fundamentals"
- "let's get down to basics"


