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.
在正羽上,羽枝以螺旋形绕著管状的羽芽生长,在管子的一侧接合在一起形成羽轴,同时在管子的另一侧形成新的羽枝脊。
单词 | helically |
例句 |
英语例句库
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. 在正羽上,羽枝以螺旋形绕著管状的羽芽生长,在管子的一侧接合在一起形成羽轴,同时在管子的另一侧形成新的羽枝脊。 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
原声例句
Osmosis-微生物 The disc-shapes are attached helically, creating a tube with a room for the nucleic acid in the middle. 圆盘沿着轴心进行螺旋排列,形成一个中间可以容纳核酸的中空管。 生活大爆炸 第4季 No misunderstanding. I've learned what that request actually means, and I don't want to be joined to another object by an inclined plane wrapped helically around an axis. 我没误会 我了解到那个要求意味着什么 我不想变成一个斜面绕轴螺旋状转上几圈之后的样子。 |
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