a
tom
复数形式
atoms
1
原子, 基本粒子
(science) the smallest part of a chemical element that is found in the nature
- The atom is composed of a nucleus containing protons and neutrons, surrounded by electrons.
原子由包含质子和中子的原子核组成，周围环绕着电子。
- Atoms of different elements have distinct properties based on their atomic structure.
不同元素的原子基于其原子结构具有不同的性质。
- The concept of the atom as the fundamental building block of matter dates back to ancient Greek philosophy.
作为物质基本构建块的原子概念可以追溯到古希腊哲学。
- Chemical reactions involve the rearrangement of atoms to form new compounds.
化学反应涉及原子的重排以形成新的化合物。
- Scientists use sophisticated instruments such as electron microscopes to observe and study the structure of atoms.
科学家使用电子显微镜等精密仪器来观察和研究原子的结构。