这些粒子的大部分都不能被那时的模型物理学家描述，那时的物理学家的认识是物质由原子构成，原子由原子核及原子核外的电子构成，原子核由质子和中子构成。
Most of them did not fit into the models physicists had at that time, that matter consisted of atoms with neutrons and protons in the nucleus and electrons round it.
任何物质都是由原子构成的。无论是固体、液体还是气体。
Any substance is made of atom. Whether it is solid, liquid or gas.
一切物质，不论它们是气体、液体还是固体，都是由原子构成的。
All substances, whether they are gaseous, liquid or solid, are made of atoms.
放射性物质由很多不稳定原子构成。
Radioactive materials are composed of atoms that are unstable.
他们很熟悉这一观点，所有的物质都是由原子构成的。
They are familiar with the opinion that all matter consists of atoms.
所有的物质都是由分子构成的，而所有的分子内都有微小的原子、带正电荷的质子、中性的中子和带负电荷的电子。
All materials are made up of molecules, and all molecules have tiny atoms, with positively charged protons, neutral neutrons, and negatively charged electrons.
不管这是什么物质，都是由原子构成的。
物质由分子构成，而分子由原子构成。
我们大家都知道这一理论，即：物质是由原子和分子构成的。
We all know the theory that matter is made up of atoms and molecules.
所有物质，不论是气体，液体，或固体，都是由原子构成。
All matter, whether it be gas, liquid or solid, is made up of atoms.
多数暗物质被认为是由不与普通原子发生相互作用的亚原子粒子构成。
Most dark matter is believed to be in the form of subatomic particles that don't interact with regular atoms.
我们都知道物质由原子和分子构成这一理论。
We all know the theory that matter is made up of atoms and molecules.
物质是由原子构成的。
宇宙大部分是由一种奇怪的物质所构成的，它们不同于组成生命、行星和其他星星的原子。
Much of the Universe is made up of a strange substance that bears no resemblance to the atoms that make up life, the planets and our stars.
无论何种物质，都是由原子构成的。
我们认为大多数暗物质是由比原子还小的新粒子构成，这些粒子与科学家们已发现和研究过的任何粒子都不一样。
We believe most of the dark matter is made up of new particles smaller than atoms that are different from anything scientists have ever discovered and studied.
一切物质都是由大量称作原子的粒子构成的。
All substances are composed of a great many particles called atoms.
两千多年前，伊壁鸠鲁派曾认为事物是由原子构成的，照我们现在来看肯定是没有问题的，然而这恰恰是我们把自己的观念同伊壁鸠鲁派对物质的看法混淆的表现。
The Epicureans held that matter is made of atoms two thousand years ago and we are now tempted to say that their theory was true.
所有的物质都是由不断运动的原子和分子构成的。
All things consist of atoms or molecules, which are constantly moving.
无论是固体、液体，还是气体，所有物质都是由原子构成的。
Any substance is made up of atoms whether it is a solid, a liquid or a gas.
无论是固体、液体，还是气体，所有物质都是由原子构成的。
Any substance is made up of atoms whether it is a solid, a liquid or a gas.
应用推荐