Thee movement of particles in an atom is analogous to the way the planets move around the sun.
原子中粒子的运动和行星围绕太阳的运动方式相似。
That reminds me of atom: the movement of electron is irregular, however, it is always around the nucleus and within the atom.
这让我想起了原子：电子跑来跑去，没有规律，但始终围绕着一个核心在转。
That reminds me of atom: the movement of electron is irregular, however, it is always around the nucleus and within the atom.
这让我想起了原子：电子跑来跑去，没有规律，但始终围绕着一个核心在转。
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