bromine
柯林斯词典
1. N a pungent dark red volatile liquid element of the halogen series that occurs in natural brine and is used in the production of chemicals, esp ethylene dibromide. Symbol: Br; atomic no: 35; atomic wt: 79.904; valency: 1, 3, 5, or 7; relative density 3.12; density (gas): 7.59 kg/m³; melting pt: –7.2°C; boiling pt: 58.78°C 溴
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bromine /ˈbrəʊmiːn, -mɪn/
剑桥词典
- a chemical element that exists as a strong-smelling, dark red liquid that changes easily into a gas , used in photographic materials and other industries
溴（一种非金属元素，气味浓，有腐蚀性，呈暗红色，液质，易转化为气体，适用于摄像材料和其他产业） 返回 bromine