graphite plumbago black lead
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。
—— 柯林斯例句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。
—— 柯林斯例句A powerful electric current is passed through a piece of graphite.
给一块石墨通入强电流。
—— 柯林斯例句The pistons are graphite-coated to reduce friction.
活塞上涂了一层石墨以减小摩擦力。
—— 柯林斯例句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。
—— 辞典例句