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词形变化: sheaths sheathed sheathed sheathing sheaths
- 正在加载“sheath”的释义
例句用法 短语词组 近反义词 海词讲解 英英解释
1.
The sheath of connective tissue enclosing a bundle of nerve fibers. 
经来膜包裹住神经纤维的膜状结缔组织
2.
A growing feather still enclosed in its horny sheath, especially one just emerging through the skin.
(鸟类的)新生毛一种裹在角鞘中的新生毛，特别是刚刚冒出皮肤外的羽毛
3.
The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.
内皮层皮层的最内层，在根、茎的导管组织周围形成一道叶鞘(茎衣)
- sheath knife n. 鞘刀 close sheath 闭鞘
- tendon sheath 腱鞘 lead sheath 铅皮;铅防护套...
- copper sheath 铜包皮 dentinal sheath 牙质鞘
- sheath loss 包皮损耗 root sheath 根鞘
- rubber sheath 橡胶护套 cable sheath 电缆包皮层
- steel sheath 钢皮 epithelial sheath 上皮鞘
- fibrous sheath 纤维鞘 myelin sheath n. 髓鞘
- plasma sheath 等离子壳层 protective sheath 接地屏蔽
- plastic sheath 塑料护皮 metallic sheath 金属套管;金属包皮...
- proboscis sheath 吻鞘 condom n.安全套,避孕套...
名词 sheath:
1.
a protective covering (as for a knife or sword)
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