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
- 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 - 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 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。