Similarly, nearby Comex copper on the New York Mercantile Exchange dropped from a lifetime exchange high of $4.27 a pound to a low of $3.2350.是什么意思_Similarly, nearby Comex copper on the New York Mercantile Exchange dropped from a lifetime exchange high of $4.27 a pound to a low of $3.2350.在线翻译_英语_读音_用法_例句