鸟类学家们研究居住在靠近匈牙利南部feherto村的一小群鸟类，这个布满了环绕了柳树和杨树的鱼塘。
The ornithologists studied a small colony that was living close to the village of Feherto in southern Hungary, an area of fishponds surrounded by willow and poplar trees.
该交易所的历史可以追溯到1792年，当时有一群股票经纪人在纽约市华尔街的一棵棉白杨树下聚会，为如何进行股票买卖制定了一些规定。
This exchange dates back to 1792 when a group of Stockholders gathered under a cottonwood tree on Wall Street in New York City to make some rules about how buying and selling was to be done.
这里长着大量的地衣类植物，也反映出此地的恢复情况：富含鲑鱼的河流，以及白桦，杨树和枫树等树群都不断的变得兴旺茂盛。
The numerous lichens, however, mirror the areas resilience: Trout-rich rivers and stands of birch, aspen, and maple continue to thrive.
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