sheathing

基本解释

I laid cedar shakes over skip sheathing—1 x 4–inch boards nailed 5 inches on center across the roof rafters to allow the cedar to breathe.
我在屋顶上铺了隔层覆板来处理松木的颤动--在屋顶的椽子上钉了1 x 4英寸的木板，椽子之间相隔5英寸让松木可以呼吸。
New planes with the proper sheathing shouldn’t experience many problems, but Carson claims that phones are a genuine safety hazard on older model air crafts.
对于有合适保护层的新飞机来说，这些信号对它们不会产生太大问题，应该不会有什么问题，但Carson说智能手机对旧飞行器有很大杀伤力。
And in more elaborately scaffolded novels like “Flaubert’s Parrot” and “Arthur and George, ” Barnes encases any sharp-edged questions of love in the sheathing of plots about historical figures.
在结构更加精巧的小说《福娄拜的鹦鹉》（Flaubert’s Parrot）和《亚瑟和乔治》（Arthur and George）中，巴恩斯把尖锐的有关爱的疑问打包，然后用历史人物中的故事情节再把它们封装。

If this is the particular kind of axon that is 'myelinated', then it might have a layer of a special substance called myelin in sheathing the axon.
假设这是一种特殊的有髓鞘的轴突,它表面上会像鞘一样地包裹上一层,称为鞘磷脂的特殊物质
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