常見(jiàn)例句Dunne knew this because as a jeweller he often bought old gold and melted it down.鄧恩知道斯特朗有些值錢的舊金器,因?yàn)樗且粋€(gè)珠寶商,經(jīng)常收購(gòu)這些東西,然后把它們重新回爐。 返回 gold plate