1·The origin of these peculiar glassy spheres remains an enigma.
这些奇特的玻璃球体的起源仍然是个谜。
2·Bernal of the University of London, who packed hard spheres into a rubber vessel in such a way as to obtain the maximum possible density.
伦敦大学的伯纳尔教授把硬球体装入橡胶容器中，以获得可能的最大密度。
3·The polymer spheres and carbon particles arrange themselves spontaneously into the correct crystal structure when encouraged by a little heat, so manufacturing opalescent film should be easy.
只要加入一点聚合体球体和碳颗粒就可以自然地安排成正确的晶体结构，因此生产光亮的薄膜就很容易了。
4·At the moment, such ink is composed of small, transparent spheres containing black and white particles suspended in a clear fluid.
目前的墨水是由悬浮在液体中的小的透明装有黑色和白色粒子的球体所构成。
5·The inflatable, see-through spheres are common at amusement parks, malls and fairs in the us, Australia and Europe.
这种充气透明球体在美国、澳大利亚和欧洲的游乐园、大型购物中心和露天游乐场很常见。