| 单词 | 磨砂 |
| 释义 | 〔boron〕A soft, brown, amorphous or crystalline nonmetallic element, extracted chiefly from kernite and borax and used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys. Atomic number 5; atomic weight 10.811; melting point 2,300°C; sublimation point 2,550°C; specific gravity (crystal) 2.34; valence 3. See table at element 硼：一种柔软、棕色、无定形或结晶的非金属元素，主要从四水硼砂和硼砂中提取，用于闪光剂、推进混合物、原子反应控制剂、磨砂和硬合金中。原子序数5；原子量10.811；熔点2,300°C；沸点2,550°C；比重（晶体）2.34；化合价3 参见 element〔sand〕To polish or scrape with sand or sandpaper.磨砂：用沙子或砂纸擦光或摩擦 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。