单词 | bromine |
释义 | bromine['brəumi:n]n. 溴【化】 溴Br【医】 溴[35号元素] bromine bro.mine AHD: [br½“m¶n] D.J. [6br*&mi8n]K.K. [6bromin]n.Symbol Br (名词)符号 Br 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&9{=}C; boiling point 58.78&9{=}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&9{=}C;沸点58.78&9{=}C;化合价1,3,5,7参见 element语源:1. French brome from Greek br½mos [stench] 法语 brome 源自 希腊语 br½mos [臭气] 2. -ine 2-ine2 |
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