单词 | sheath |
释义 | sheath[ʃi:θ]n. 鞘, 叶鞘, 翅鞘【化】 护套【医】 鞘 sheath sheath AHD: [sh¶th] D.J. [.i8G]K.K. [.iG]n.(名词) 【复数】 sheaths[sh¶Yz, sh¶ths] 1. A case for a blade, as of a sword.鞘:刃的外壳,如剑2. Any of various similar coverings.套:任一种类似覆盖物3. Biology An enveloping tubular structure, such as the base of a grass leaf that surrounds the stem or the tissue that encloses a muscle or nerve fiber.【生物学】 鞘,兜:一种包围的管状结构,例如围绕茎的草叶基部或包围肌肉或神经纤维的组织4. A close-fitting dress.紧身装v.tr.(及物动词) sheathed,sheath.ing,sheaths[sh¶Yz, sh¶ths] To encase or cover with or as if with a sheath; sheathe.包,盖:用或好象用鞘包围或覆盖;包覆语源:1. Middle English shethe 中古英语 shethe 2. from Old English sc¶ath * see skei- 源自 古英语 sc¶ath *参见 skei- |
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