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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。