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
A sheath is a covering for the blade of a knife. - 保险套;避孕套
A sheath is 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
- 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。 - Tall grass with smooth bluish leaf sheaths grown for hay in the United States.
高草，叶鞘光滑带蓝色，在美国用作干草。 - 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。 - But the official view was that the rods were still mostly intact – and radioactive material was safely contained inside their zirconium sheaths.
但官方的观点是，燃料棒大体上仍然保持完好，放射性物质仍然安全地包裹在燃料棒以锆制成的外壳之中。 - 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。 - 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。 - Analyse about Ground Current along Single-core High Voltage Power Cable Sheaths and Monitor System
高压单芯电力电缆接地电流分析与监测系统研究 - 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。 - 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。 - 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。 - 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。 - Good swords are kept in their sheaths.
好剑是要入鞘的。 - 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。 - 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。 - The proportion of N was significantly higher in the culms and sheaths, whereas significantly lower in the grains, under dry cultivation than under SC.
旱种稻成熟期茎鞘中的N素分配显著高于对照，籽粒显著低于对照，品种间叶片有所不同。 - Tenosynovial giant cell tumors arise from synovium of joints, bursae, or tendon sheaths, and are classified into localized and diffuse types based on the growth pattern and clinical behavior.
腱鞘巨细胞瘤可发生于关节滑膜、滑囊或腱鞘，依据其生长方式和生物学行为，可分成局限性和弥漫性腱鞘巨细胞瘤两类。 - 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。 - 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。 - He juxtaposed the magnificence of jacquard fabrics with the savage edge of animal skins, transformed into fitted sheaths.
他把富丽堂皇的提花织物和动物皮毛未经修饰的边拼在一起，做成合身的紧身服装。 - 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。 - 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。 - 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 - 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。 - Since the filaments that connect distant nerve cells are surrounded by fatty sheaths which restrict the movement of water, such molecules tend to move along a filament rather than out of it.
由于连接神经细胞的花丝被脂肪硝所包围，而脂肪硝会限制水分子的运动，所以水分子会沿着花丝运动。 - 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。 - Mechanical and physical performances of the sheaths meet related standards;
护套的机械物理性能满足相关标准的要求； - 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。 - Even the knives seemed loosened in their sheaths, impatient for the bloody and merciless work to begin.
甚至他们好象迫不及待地连匕首都出鞘了，单等这件血腥而残酷的行动开始了。 - 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。 - 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