To draw from or as if from a sheath or scabbard.
拔出从剑鞘或枪套中或仿佛从剑鞘或枪套中拔出。
Both root and root cap are covered by a sheath-like structure called the coleorhiza.
根和根冠被一鞘状结构，即胚根鞘所覆盖。
He leaped to his feet, at the same time reaching to his belt for a hunting knife he carried in a sheath.
他纵身一跳，站了起来，同时伸手到腰带上去拔他那把套在鞘里的猎刀。
The invention relates to a sheath core composite fibre of chitin and cellulose and a preparation method thereof.
本发明涉及一种甲壳胺与纤维素的皮芯型复合纤维及其制备方法。
In this paper, several methods of solving the problem of electromagnetic wave propagation in a inhomogeneous plasma sheath is investigated.
本文主要研究电磁波在不均匀等离子体鞘套中传播的一些近似计算方法。
The normal-temperature thermoscope is a glass-stem thermometer with a sheath, which can display the temperature value of the measured point on site.
所述常温测温计是一种具有护套的玻璃棒式温度计，它能够 现场显示被测点温度值。
The dielectric material can define a path for the optical signal, and can be wrapped in a sheath which aids in keeping the optical signal along the path.
所述介电材料可界定用于光信号的路径，且可包裹在护套中，所 述护套有助于保持所述光信号沿着所述路径。
The hilt of the sword was of gold and it had a sheath and a sword belt and everything it needed, and it was just the right size and weight for Peter to use.
剑柄是金铸的，还配有剑鞘和佩剑用的腰带，以及一切用剑必备的东西，而且剑的尺寸和重量对彼得也正合适。
A team of scientists now says that PrP plays a key role in maintaining myelin, a fatty substance that forms a sheath around nerves and helps transmit nerve signals.
目前，一组科学家说，PrP在供养髓磷脂中发挥重要作用，髓磷脂是多脂肪的物质形成的鞘，这个鞘存在于神经周围，用以传递神经发出的信号。
In allusion to these problems, a plasma sheath model in an oblique magnetic field, which has one dimension coordinate space and three dimensions speed space, has been build.
针对以上问题，我们建立一个一维坐标空间三维速度空间的斜磁场作用下的等离子体鞘层物理模型。
The process for producing an annular, concentrically twisted bead cord (2) includes spirally winding side wires (12) around an annular core (11) to form a sheath layer (13).
该制造方法是通过围绕环形芯（11）螺旋地缠绕侧线（12）而形成套层（13）来制造环形同心绞股胎圈帘线的方法。
A sheath (30) closes the opening (18) and embraces an inner portion of the plunger (25), whereby pumping chamber (33) is defined between the pump body (11) and the sheath (30).
一外壳(30)封闭开口(18)并包围柱塞(25)的内部，由此在泵本体(11)和外壳(30)间限定一增压室(33)。
The utility model is characterized in that one end of an elastic band (2) is connected with a hanger (1), and the other end is connected with a lifting ring (3) which is fixed with a sheath (4).
其特征是通过弹力条（2）一端连接在吊架（1）上，另一端连接到固定有护套（4）的吊环（3）上而成。
Its researchers have turned them into a type of cell that produces the insulating sheath around a nerve cell.
其研究人员已经把干细胞变成了一种在神经细胞周围产生绝缘护套的细胞。
He drew his sword in its sheath and apologized for his defiance of the domestic, claiming a misunderstanding, and quickly left the scene.
他把剑放回鞘内，并为自己对仆人的挑战道歉，声称只是一个误会，然后快速地离开了。
Each is a transparent sheath of plastic 17-metres long, mostly underwater, held in place by a floating collar.
每个都是17米长的塑胶套子，大部分淹没于水下，由一个浮动的环状装置固定住。
While some may choose a simple sheath of light materials, perhaps the ideal choice for a bridal gown on the beach will be one with a design rule.
于是有人会选择轻质材料的女士紧身衣，也许是在海滩上新娘礼服的理想选择将会有一定的设计规则。
Don't use a dollar store extension cord with a flimsy, thin rubber sheath to get power to your HDTV.
不要用从一元店买来的橡胶层又轻又薄的延长电缆去给你的高清电视供电。
Whenever there's a Nick or hairline crack in an insulation sheath, the electrical field in the underlying copper subtly shifts.
在绝缘套上只要出现缺口或者毛细裂缝，线缆里的铜周围的电场就会轻微改变。
Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.
赫斯博士构想出一个画面，即一道光正穿越于一个由两种材料制作的光导纤维，一种是具有正折射指数的纤维核，另一种则是具有正折射指数的外围。
Only a lot of American women silently thinking about where they might find a simple, pale sheath dress.
只是这样一来又有不知多少美国妇女在暗自思量，要上哪才能找到一件简洁素雅的连衣裙了。
One day after a trip to a faraway town, he handed me a knife and sheath, saying, “These are for you.
一天，他从一个远方小镇回来，递给我一把刀，“给你的。
Javert put on his hat again, and advanced a couple of paces into the room, with arms folded, his cane under one arm, his sword in its sheath.
沙威戴上帽子，朝屋里走了两步，叉着胳膊，腋下夹根棍子，剑在鞘中。
But frequently what we see are disruptions in the way that a protein, it's like an insulation sheath around the nerve cell, grows and develops.
但是，我们经常看到一种蛋白质的生长和发育的途径被打断，这种蛋白质就像一个神经细胞周围绝缘护套。
A benefit rings, lance sheath.
一声利响，长剑出鞘。
Mademoiselle Baptistine's gown was cut on the patterns of 1806, with a short waist, a narrow, sheath-like skirt, puffed sleeves, with flaps and buttons.
巴狄斯丁姑娘的袍子是照一八○六年的式样裁剪的，上身短，腰围紧，双肩高耸，盘花扣绊。
Mademoiselle Baptistine's gown was cut on the patterns of 1806, with a short waist, a narrow, sheath-like skirt, puffed sleeves, with flaps and buttons.
巴狄斯丁姑娘的袍子是照一八○六年的式样裁剪的，上身短，腰围紧，双肩高耸，盘花扣绊。
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