It would have meant cutting down over 200 trees, including oaks and hickories.

这就意味着砍伐200多棵树，包括栎树和山胡桃树。

《柯林斯英汉双解大词典》

When that happens, many trees like walnuts, oaks and pines, rely exclusively on so-called "scatter hoarders", such as birds, to move their seeds to new localities.

当这种情况发生时，许多树，如核桃树、橡树和松树，完全依靠所谓的“分散贮藏者”，如鸟类，将它们的种子转移到新的地方。

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It's a solution for us—getting birds to do the work is cheap and effective—and it could give vulnerable oaks and pines the option to truly "make like a tree and leave."

这对我们来说是一个解决方案——让鸟类来做这项工作既便宜又有效——它可以让脆弱的橡树和松树有机会真正“像树一样生长，然后老去”。

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In nineteen forty-four, delegates from the United States, Britain,the Soviet Union and China met at Dumbarton Oaks.

VOA: special.2009.09.21

In Georgetown we stop at a mansion that holds the Dumbarton Oaks Research Library and Collection.

VOA: special.2009.09.21

Nestled in a garden rich with live oaks and azaleas, the three-story mansion faces the Beaufort River.

FORBES: Carolina Castle

The logging of the oaks and pines removes the food supply on which the area's wild boars depend.

BBC: Last stand for Russia's tigers

"There they are, " he said, pointing toward nine horses, heads down grazing, in a meadow framed by oaks and sycamore.

WSJ: Reviving Slaughter of Horses