An integument or outer layer of various invertebrates.
表皮皮层非脊椎动物最外层的皮层
the outer part of a wheel to which the tire is attached.
我们能够触摸到的轮胎的最外层的部分。
the outermost atmospheric layer.
大气层中最外面的一层。
The outermost layer of the fruit wall.
外果皮果皮的最外层
The outermost solid layer of a planet or moon.
外壳行星或月亮最外面的固态层
The outermost region of a planet's atmosphere.
外大气圈行星大气层的最外部
In the early days copper was normally followed by a relatively thin bright nickel layer with conventional chromium topcoat.
早期，涂覆铜层之后，再涂一薄层光亮镍，然后传统的铬层位于最外层。
The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and, in vertebrates, sense organs develop.
外胚层胚胎最初三层胚层中的最外一层，由此发育成为表皮、神经组织和脊椎动物的感觉器官
The outermost electron is shielded from the nucleus.
原子核对最外层电子的作用受到屏蔽。
The outermost layer of a spore in some algae and fungi.
孢子外壁某些水藻和真菌孢子的最外层壁
Except for the transitional elements, valency electrons are in the outermost electron shell.
除去过渡元素外，价电子位于最外面的电子层。
Some layers between the third and last layers of an atom contain as many as 32 electrons.
原子内第三层和最外层之间的一些电子层，含有多达32个电子。
The outermost layer of cells covering the leaves and young parts of a plant.
外胚层覆盖于植物叶面和萌芽之上的最外一层细胞
Epidermis The outer protective layer of cells in plants.
表皮：是位于植物体的最外方的保护层细胞。
Sir, Luke is the best bushpilot in the outer rim territories.
长官，路克是外层空间中最厉害的飞行员
The conquest of outer space is one of the greatest triumphs of modern science.
征服外层空间是现代科学最杰出的成就之一。
The conquest of outer space be one of the greatest triumph of modern science
征服外层空间是现代科学最杰出的成就之一
Research on the Optimum Insulation Thickness of the External Wall for Residential Buildings in Changsha Region
长沙地区居住建筑外墙保温层最佳厚度的研究
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