[mass noun]the chemical element of atomic number 31, a soft, silvery-white metal which melts at about 30°C, just above room temperature(Symbol: Ga) 镓(符号:Ga)
语源
late 19th cent.: modern Latin, from Latin Gallia 'France' or gallus 'cock'; named (either patriotically or as a translation of his own name) by Paul-Émile Lecoq de Boisbaudran (1838–1912), the French chemist who discovered it in 1875