同根派生 noble metals相關(guān)詞英漢例句My father deals in precious metals.我父親在經(jīng)營貴金屬的生意。Whatever sending the precious metals out of a country will impoverish it.將貴金屬從一個(gè)國家運(yùn)出都會(huì)使其變窮。noble metals更多例句