samarium
samarium[səˈmɛːrɪəm]noun- [mass noun]the chemical element of atomic number 62, a hard silvery-white metal of the lanthanide series(Symbol: Sm)
(化学元素)钐((符号:Sm))
语源- late 19th cent.: from samar(skite), a mineral in which its spectrum was first observed (named after Samarsky, a 19th-cent. Russian official) + -ium
考试词汇表