The country's official language is Spanish.

　　這個(gè)國(guó)家的官方語(yǔ)言為西班牙語(yǔ)。

　　Barcelona is the locus of Spanish industry.

　　巴塞羅那是西班牙工業(yè)的發(fā)源地。

　　She has a good command of the Spanish language.

　　她精通西班牙語(yǔ)。