例句 /

Dunne knew this because as a jeweller he often bought old gold and melted it down.

Dunne knew this because as a jeweller he often bought old gold and melted it down.

邓恩知道斯特朗有些值钱的旧金器,因为他是一个珠宝商,经常收购这些东西,然后把它们重新回炉。