我们都很熟悉这个说法，即所有物质都是由原子组成的。
We are familiar with the idea that all matters consists of atoms.
所有的物质都是由称之为原子的微粒组成，而原子本身则由更小的微粒，电子、中子和质子所组成。
All matter is composed of tiny particles called atoms, which are themselves composed of smaller particles, electrons, neutrons and protons.
所有物质都是由小得甚至用倍数最大的显微镜也看不到的原子组成的。
All matter is made of atoms, which are so small that they can not be seen even through the most powerful microscope.
所有物质都是由小得甚至用倍数最大的显微镜也看不到的原子组成的。
All matter is made of atoms, which are so small that they can not be seen even through the most powerful microscope.
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