1. Even these hard parts may crumble to dust. 甚至这些坚硬的部分也会破碎成粉末。
2. Errors and uncertainties multiply, cascading upward through a chain of turbulent features, from dust devils and squalls up to continent-size eddies that only satellites can see. 错误和不可靠性上升,接踵而来的是一系列湍流的徵状,从小尘暴和暴风发展到只有卫星上可以看到的席卷整块大陆的旋涡。
3. Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be suitable because of the dust particles in our solar system. 即使是一台放置在围绕地球的轨道上的望远镜--如非常成功的哈勃望远镜--也因为太阳系中的尘埃微粒而无法胜任。
4. But Drew wasn't done. In 1930, he created a see-through, water-proof (防水的), cellophane (薄膜) adhesive (胶粘剂). 但是,德鲁并没有就此满足。1930零年,他发明了一种透明、防水的薄膜胶粘剂。
5. We have abundant proof of his guilt. 我们有充分的证据证明他有罪.
6. When registering as a new voter, take along your diploma as proof of literacy. 当你要登记成为有投票权的人时,带着你的文凭以证明你有读写的能力。
7. They police allege that the man was murdered but they have given no proof. 警方称这男子是被人谋杀的,但没提出任何证据.
8. The radioactive material is stored in a special radiation-proof container. 放射性材料贮存在防辐射的特殊容器内.
9. The old furniture was covered in dust. 旧家具上有尘土.
10. There is positive proof that he did it. 有确凿的证据证明他做了这件事。