a nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
同义词:bromine, atomic number 35
a Marxist-Leninist terrorist organization that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989
同义词:Red Brigades, Brigate Rosse
BR详细解释
BrNONE(无词性)The symbol for the element bromine元素bromine的符号