这些砂囊里有时藏有完全光滑的珍贵石头，有人称之为克雷特龙珠。
These gizzards are sometimes home to neatly polished precious stones that some call Krayt dragon pearl.
下面的讨论中假定轮齿加工没有误差，轮齿表面完全光滑，轮齿为绝对刚体。
The following discussion assumes the teeth to be perfectly formed, perfectly smooth, and absolutely rigid.
斜坡内完全光滑的玻璃表面，确保自然光线可以照进生活空间，并随着其长度提供私人庭院的景色。
The ramp's entirely glazed internal surface ensures natural light floods into the living Spaces and provides views of the private courtyard along its length.
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