bromine
noun [ U ] uk/ˈbrəʊ.miːn/ us/ˈbroʊ.miːn/ (symbol Br)
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）
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