By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.

通过吮吸铁杉幼嫩枝的汁液，树木的生长被毛茸茸的叶蝉阻碍，导致针叶从深绿色变为灰绿色，并提早掉落。

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Just as a reader skims quickly over the individual words on page, so we scarcely see a tree exactly and completely with regard to its leaves, branches, color, shape.

作为一个读者，快速的浏览页面上的每一个字，所以我们很少看到一个树，准确并完整地，观察它的树叶，质感，颜色，形状。

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The underside of the evergreen leaves shine with a golden color from a distance, and the tree carries small white to purple flowers with a sweet fragrance.

果实下面的叶子一直是绿色的，从远处反射来看，金灿灿的，树上的花很小， 从白色到紫色渐近，伴随一股甜香。

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That led to color-coded paths, a Magic Forest in the main lobby and a wishing tree where family members can write their hopes for hospitalized children.

WSJ: Children's Hospitals Make Room for Mom, Dad and Diversions