包含 rachis 的英语例句 | 欧路词典例句词典

英语例句库

1.In a pennaceous feather, the barbs grow helically around the tubular feather germ and fuse on one side to form the rachis.Simultaneously, new barb ridges form on the other side of the tube.

1.在正上，螺旋形绕著管状的芽生长，在管子的一在一起形成轴，同时在管子的另一形成新的脊。

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原声例句

大英百科全书

1.Today, the typical feather consists of a central shaft, called a rachis, with serial paired barbs forming a flat, curved surface, which is called a vane.

今天，典型的包含一个中心轴（轴），还有连续成对的支形成平坦弯曲的表面，这叶片。

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PBS地

-动物趣

2.The central part of the feather became a hardened structure called a rachis, with lots of little barbs and barbules, creating the vanes of the feather.

的中央部分变成了一种轴的硬化结构，上面有许多小倒钩和小枝，形成了的叶片。机翻

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连线杂志

3.So where you see a typical flight feather that has a closed vein and an offset rachis to give it an aerodynamic airfoil shape, the ostrich is have done away with that completely.

所以如你所见这是一个典型的飞行，有一个封闭的静脉和一个偏移的轴给它一个符合空气动力学的翼型形状，鸵鸟已经完全失去了这种了。

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accouche, accouchement, accoucheur, accoucheuse, account, account book, account executive, account for, account payable, account receivable,

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