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
- 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。 - 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。 - Effect of different time of arterial sheaths extubation on incidence of hematoma in patients with coronary angiography
冠脉造影术后拔除动脉鞘管的时间与血肿关系观察 - 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 - 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。 - Microscopic analysis revealed a benign neurogenic tumor arising from the connective tissue of the peripheral nerve sheaths of the trachea.
病理分析报告为一源自周边神经鞘间结啼组织的良性神经性肿瘤。 - Their claws are kept sharp by being retracted into sheaths.
它们的爪子平时缩进皮鞘里,藉此保持锐利。 - 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。 - The utility model relates to an ice and snow shovel for road surface, comprising shovels, shovel sheaths, springs and a connecting plate.
本实用新型为一种路面冰雪铲除装置,包括换锹、锹套、弹簧、连接板。 - 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。