常見例句用作名詞 (n.)Silver in ores is positively correlated with copper but it is absent in galena.礦石中的銀與銅呈明顯正相關(guān)關(guān)系Lead is rarely found free in nature; it is major in the sulfide and galena.鉛在自然界中很少呈游離態(tài)，主要存在硫化物和方鉛礦中。 返回 galena