It was discovered that rates of carbon cycling and growth rates among city trees were nearly four times faster than those in the countryside.

研究发现，城市树木的碳循环速度和生长速度几乎是乡村树木的四倍。

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People in this city have planted lots of trees in the last few years.

在过去的几年里，这个城市的人们种了很多树。

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These trees have become one of the most impressive tourist attractions in the city.

这些树木已经成为观光客对这个成是印象最深刻的景象之一。

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Some helped to rid the city of troublesome invasive plants, or cared for trees at city parks and schools.

VOA: special.2009.09.04

Heavy snow and high winds damaged some of the city's cherry trees.

VOA: special.2010.03.16

Parks are the lungs of the city and we need trees, not bare and barren flowerbeds.

BBC: Tree felling in Alexandra Park, Whalley Range

To make room for it to be towed through the city, dozens of trees were cut down and traffic signs removed.

CNN: Danger meets discovery: Top 10 science stories of 2012

He identifies her with the city of ship horns and linden trees.

ECONOMIST: Orhan Pamuk