sheaths

英 [ʃiːðz]

美 [ʃiθs]

n.  (刀、剑等的)鞘; (工具的)套; 护套; 护层; 护皮; 紧身连衣裙
sheath的第三人称单数和复数

柯林斯词典

• (刀、剑的)鞘，套
  Asheathis a covering for the blade of a knife.
• 保险套;避孕套
  Asheathis a rubber covering for a man's penis and is used during sex as a contraceptive or as a protection against disease.

双语例句

• Pathology.& Interstitial emphysema is characterized by air dissecting within the interstitium of the lung, typically in the peribronchovascular sheaths, interlobular septa, and visceral pleura.
  其特征为空气夹在肺间质内，典型的位于血管支气管周围的鞘内、小叶间隔内和脏层胸膜内。
• Specifically, the insulating myelin sheaths around the axons of neurons the parts responsible for transmitting information to other neurons get smaller.
  具体来说，神经元轴突周围的绝缘性髓鞘――负责将信息传送至其他神经元的部分――变小了。
• Good swords are kept in their sheaths.
  好剑是要入鞘的。
• Ovicidal trait in DH lines was phenotyped by necrotic symptoms on the leaf sheaths due to ovicidal response.
  DH株系中的杀卵特性是通过叶鞘上杀卵反应产生的坏死症状表现的。
• Some cultural practices are required to keep these leaf sheaths active during ripening stage.
  一些栽培技术要求在成熟期尽量保持叶鞘的活性。
• It does not show sheaths around the vascular bundles. Procambium ( procambial strand) The layer of cells that gives rise to the vascular tissue.
  它并没有显示出在维管束周围的鞘状构造。原形成层（原形成层束）：形成维管组织的一层细胞。
• Tough sheaths push through the earth and do the backwork needed for the emergence, but the buds which then emerge in clusters are silken and delicate.
  坚韧的叶鞘拱出了土壤，需要对突出体作辅助工作，但是随后出现在叶丛中的花蕾光润而娇嫩。
• Clinical Application of Sodium Hyaluronate Product ( SHP) in Preventing Tendon Adhesion in Tunnel Sheaths
  透明质酸钠在防治鞘管区屈肌腱粘连中的临床应用
• In short, Knox's proposal was ill conceived and naively made. It does not show sheaths around the vascular bundles.
  总而言之，诺克斯的建议考虑不周，显示幼稚。它并没有显示出在维管束周围的鞘状构造。
• Sedges having dense spikes of flowers and leaves reduced to basal sheaths.
  莎草科的一个属，花排列成紧密的穗状花序，叶退化成基生的鞘。