土脉细润，如铜体，有厚薄，汁水莹润。
Xirun earth connections, such as copper body, with thickness, juice Eijun.
本文应用基于密度泛函理论的第一性原理赝势法，较系统地研究了铜体相和表面相，以及锂离子在铜薄膜中的扩散行为。
Based on the density functional theory, the first principles calculation was performed to investigate the bulk, surface copper and the diffusion in the copper thin film.
“但是这些曾经含有的色素会留下铜原子中心——即使包含它们的黑素体被破坏了。”他对BBC自然频道说。
"But the pigments they once contained do, courtesy of their copper heart - even after the melanosome containing them has been destroyed," he told BBC Nature.
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