The tree silhouette is comprised of four images of cypress trees I found in a google search.

树的轮廓由四张柏树图片构成，图片是我从Google 上找到的。

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I could barely see the hornbill at first, and they could just tell from hundreds of meters away, that high up on a tree, was a silhouette next to some leaves (which was a hornbill).

我一开始几乎根本看不见犀鸟，而他们则可以在数百米外判断出来-在高高的树上，有那么一个树叶似的剪影(即犀鸟)。

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A striking silhouette shows off the lithe form of a cheetah approaching a tree for a late afternoon slumber.

这张惹人注目的剪影照片显现出一头走向一棵树准备午后小憩的猎豹的矫健的身影。

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