弘扬国学 · 传承文化

graphite

英 ['græfaɪt] 美 ['græfaɪt]

解释

n. 石墨；黑铅
vt. 用石墨涂（或搀入等）

※ 提供单词"graphite"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

中文词源

graphite 石墨

来自graph, 文字，图像。后指用于书写的石墨。

英文词源

graphite (n.): "black lead," 1796, from German Graphit, coined 1789 by German mineralogist Abraham Gottlob Werner (1750-1817) from Greek graphein "write" (see -graphy) + mineral suffix -ite. So called because it was used in making pencils. Related: Graphitic.

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例句和用法

1. In graphite sheets, carbon atoms bond together in rings.: 石墨层中的碳原子相互连接形成碳环。

2. Made from cast iron, it is finished in graphite enamel.: 它是用铸铁制成，最后在外面搪了一层石墨。

3. A powerful electric current is passed through a piece of graphite.: 给一块石墨通入强电流。

4. The pistons are graphite-coated to reduce friction.: 活塞上涂了一层石墨以减小摩擦力。

5. Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble.: 石墨甚至其线性类似物, 聚 ( 名聚-苯撑 ) 都是极难溶解的.