1. 基岩：组成地壳的固结而坚硬的岩石称为基岩(bedrock). 它通常形成于地面以下几千米至几十千米的深处,长期处于较高的温度和压力以及相对稳定的化学环境中. 由于地壳运动或不断地剥蚀等原因造成这些基岩进入地表环境,

2. 岩床：麦金塔的产品经理盖依.川崎就曾坦承麦金塔的发展策略是:岩床(Bedrock)轮胎公司的寓言,清楚地描绘出一个典型的策划过程. 听来荒诞不经吗?这可是活生生的例子:数年前,一家总部位于美国布隆明顿(Bloomington)的公司发明了很棒的多媒体软件,

3. 床岩：河成壺穴係由河流搬運物之鑽蝕(drilling)而產生於急湍處床岩(bedrock)上之凹穴,其穴口形由圓至橢圓,長徑與流水方向一致,穴壁則受流水迴旋影響而逆流向傾斜(圖7-9),此與海成壺穴的垂直穴壁不同.

4. bedrock什么意思

4. 基岩;基层岩：bedplate 座板 | bedrock 基岩;基层岩 | bedroom 睡房;卧室

1. 根本原则；基础；基石
    The bedrock of something is the principles, ideas, or facts on which it is based.

    e.g. Mutual trust is the bedrock of a relationship...
           互信是交往的基石。
    e.g. Working-class voters form the bedrock of Labour''s support.
           工薪阶层选民是支持工党的基本力量。

2. 基岩
    Bedrock is the solid rock in the ground which supports all the soil above it.

    e.g. It took five years to drill down to bedrock.
           耗时五年才钻到了基岩。

1. principles from which other truths can be derived

    e.g. first you must learn the fundamentals
           let''s get down to basics

    Synonym: fundamentalsbasicsfundamental principlebasic principle

2. solid unweathered rock lying beneath surface deposits of soil