Evan Dore, a shaggy-haired native of San Francisco, remembers driving through this part of Colombia four years ago with his brother, Ryan, in a 1981 VW bus.
长着一头篷松头发的圣弗兰西斯科人伊万·多尔仍记得四年前和他的兄弟瑞恩驾驶一辆1981产的VW大巴车驶经哥伦比亚的这座城市。
A solid mixture of the two, known as bullion or dore, can be parted by boiling in nitric acid.
将两种物质的混合物，即俗称的锭，在硝酸中煮沸，即可将金银进行分离。
"Congestion on London's road is not a modern phenomenon, " she says, holding up a copy of a 19th-century engraving by Gustave Dore.
“伦敦的道路拥堵不是现代才发生的事，”巴克利说着，举起了一件古斯塔夫?多雷的版画。
"Congestion on London's road is not a modern phenomenon, " she says, holding up a copy of a 19th-century engraving by Gustave Dore.
“伦敦的道路拥堵不是现代才发生的事，”巴克利说着，举起了一件古斯塔夫?多雷的版画。
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