Graphite and even its liner counterpart, poly (p-phenylene) are too insoluble.

石墨甚至其线性类似物聚苯，极不易溶解。

youdao

We are a manufacturer and exporter of high purity graphite and related products.

我们是一个制造商和出口商的高纯度石墨及相关产品。

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The work, drawn by Garth Montgomery Williams in 1952, is graphite and ink on paper.

FORBES: Connect

Their results suggest 55 Cancri e is largely composed of carbon (in the form of graphite and diamond), iron, silicon carbide, and, potentially, silicates.

BBC: Oddballs: The strange worlds beyond our Solar System

This body, known as 55 Cancri e, "is likely covered in graphite and diamond rather than water and granite, " according to astronomer Nikku Madhusudhan from Yale University.

BBC: Oddballs: The strange worlds beyond our Solar System