| 单词 | 非金属 |
| 释义 | 〔bromine〕A heavy, volatile, corrosive, reddish-brown, nonmetallic liquid element, having a highly irritating vapor. It is used in producing gasoline antiknock mixtures, fumigants, dyes, and photographic chemicals. Atomic weight 79.904; atomic number 35; melting point 7.2°C; boiling point 58.78°C; valence 1, 3, 5, 7. See table at element 溴：一种比重大、易挥发、有腐蚀性的棕红色非金属液体元素，有刺鼻的气味。用于生产汽油减震剂、薰蒸剂、染料和照相用的化学品。原子量79.904；原子序数35；熔点7.2°C；沸点58.78°C；化合价1,3,5,7 参见 element〔metal〕Abbr. MAny of a category of electropositive elements that usually have a shiny surface, are generally good conductors of heat and electricity, and can be melted or fused, hammered into thin sheets, or drawn into wires. Typical metals form salts with nonmetals, basic oxides with oxygen, and alloys with one another.缩写 M金属：任一种带阳电性元素的物质，通常具有光亮的表面，是热和电的良好导体，能被熔化或融合，也可以锻制成薄片或拉制成金属线。典型金属与非金属物质可以生成盐，与氧生成简单氧化物，而两种金属则能制成合金〔billet〕A small ingot of nonferrous metal.小型的非金属铸块〔chelate〕A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.螯合物：杂环化学复合物，由一个金属离子与两个或两个以上非金属离子构成配位键〔reduce〕To change to a metallic state by removing nonmetallic constituents; smelt.冶炼，提炼：通过除去非金属成分而变成金属状态；熔炼〔metalloid〕A nonmetallic element, such as carbon, that can form an alloy with metals.非金属：能与金属结合生成合金的非金属元素，例如碳元素〔nonmetal〕Any of a number of elements, such as oxygen or sulfur, that lack the physical and chemical properties of metals.非金属：一种元素，如氧或硫，其没有金属的物理和化学性质 |
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