sheathing
n. 防护物；外壳；入鞘
v. 使入鞘；覆盖（sheathe 的 ing 形式）
例句
Once you remove the sheathing, you will have 6 individual wires.
一旦您删除护套，您将有6个单独的电线。
The effect of nitrogen can be overcome by sheathing the flame in argon.
氮的影响则可以通过用氩气包覆火焰而予以克服。
A closer look at the one-inch foam sheathing that helps insulate the building.
一个在一英寸的泡沫绝缘护套，帮助建设一探究竟。
