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

• The lodging resistance and chemical component contents in culm and leaf sheaths were analyzed by using japonica rice cultivars with different lodging resistance during grain filling.
  分析了不同抗倒类型的粳稻品种灌浆成熟过程中茎鞘抗倒伏性和化学成分含量的动态变化。
• 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。
• Good swords are kept in their sheaths.
  好剑是要入鞘的。
• The hair is formed from cells just above the bulb, which also give rise to concentric zones of differentiated epithelial cells destined to form the inner and outer root sheaths.
  毛球之上的细胞形成毛发，产生由分化的表皮细胞构成的同心环状区，形成内根鞘和外根鞘。
• Sheaths are also made to command high appreciation and value.
  刀鞘被制作的具有很高的观赏性和价值。
• Histochemical analysis and in situ hybridization showed that the ACO1 expression was localized in the basal parts of leaf sheaths immediately above nodes or the lower parts of elongating internodes.
  组织化学分析和原位杂交结果表明ACO1在伸长中的节间底部仅靠近节的叶鞘基部表达量很高。
• Plants with a mild phenotype formed normal leaf sheaths and blades, but lacked ligules and showed diffusion of the blade – sheath boundary.
  轻度的植株能有正常的叶及叶鞘，但没有叶舌，叶与叶鞘的边界弥散。
• 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。
• When you stretch, the sheaths ( fascia) covering your muscles lengthen and loosen.
  当你做伸展运动时，肌肉组织就会伸展、变松。
• It shows two well-developed sheaths around the vascular bundles.
  它显示出两个发育完全之维管束鞘位于维管束周围。