| 例句 |
Energy is locked up in the atom.能量被锁藏于原子内。Inside the atom there is a nucleus composed of neutrons and protons. The nucleus is crucial to the making of nuclear weapons.一个原子里面有由中子和质子组成的核，对制造核武器很重要。It was a long time before scientists could penetrate the mystery of the atom.很久以后科学家才洞悉原子的奥秘。At the center of the atom is the nucleus.在原子的中心是原子核。For centuries the atom was regarded as infrangible.有好几个世纪，原子一直被认为是不可分的。He patented the idea that the atom could be split.他的原子裂变观点获得了专利。If one or more electrons be removed, the atom is said to be positively charged.如果原子失去了一个或多个电子，我们就说原子带正电荷。Scientists are working to harness the power of the atom.科学家们正在研究如何利用原子能。 |