第5染色体的特点是有一个近侧的节结。
近鸟龙的腕骨呈深楔形，因此它可以将前肢折叠到身体两侧，行走时前肢上的羽毛可以悬空，不会拖在地面上。
Anchiornis's wrist bone was so wedge-shaped that it could fold its arms to its sides, keeping its arm feathers off the ground as it walked.
加拿大一侧的瀑布是马蹄型瀑布，它大约有800米宽，近五十米高，它的形状像一个U字型，又称马蹄型。
It is about eight hundred meters wide and almost fifty meters high. It is shaped like the letter U, or a horse's shoe.
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