| 单词 | 坩埚 |
| 释义 | 〔graphite〕A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles. Also called black lead ,plumbago 石墨：一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体，用于铅笔、滑润剂、颜料和涂层，可被制成多种形状，如模子、砖块、电极、坩埚和火箭发动机喷管 也作 black lead,plumbago〔crucible〕from Medieval Latin crūcibulum [night-light, crucible] 源自 中世纪拉丁语 crūcibulum [通夜灯，坩埚] 〔regulus〕The metallic mass that sinks to the bottom of a furnace or crucible during smelting.金属渣：在熔化过程中沉到炉底或坩埚底部的金属物质〔crucible〕A vessel made of a refractory substance such as graphite or porcelain, used for melting and calcining materials at high temperatures.坩埚：一种用石墨或瓷等耐熔物质制成的器具，用来在高温时熔化或煅烧原料 |
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