sheath

[ʃi:θ]

n. 鞘, 护套
n. 女式紧身衣服

例句与用法：

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

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

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)

词形变化：

名词复数: sheaths | 动词过去式: sheathed | 动词过去分词: sheathed | 动词现在分词: sheathing | 动词第三人称单数: sheaths |

详细释义：

n.[C]

1. (刀、剑等的)鞘; (工具等的)护套

He wiped the knife and put it back in the sheath.

他擦干净刀子, 放入鞘内。

2. 【植】叶鞘

3. (甲壳虫等的)鞘

4. 避孕套

5. 女子紧身服装