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.

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。

youdao

Obama arrived on the millionaires' playground off the US east coast on Sunday, and planned to get stuck into a list of books -- amounting to a wedge of nearly 2,300 pages, revealed by Burton.

伯顿透露，奥巴马于上周日抵达这处位于美国东海岸的富豪庄园。 他打算专心读几本书，总计共有近2300页。

youdao

Obama arrived on the millionaires' playground off the US east coast on Sunday, and planned to get stuck into a list of books -- amounting to a wedge of nearly 2, 300 pages, revealed by Burton.

伯顿透露，奥巴马于上周日抵达这处位于美国东海岸的富豪庄园。 他打算专心读几本书，总计共有近2300页。

youdao

To fix something you have to take your hands off the keyboard and wedge your fat finger between the offending characters and then futz with the selection boxes.

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