nucleus
🇺🇸
/ˈnuːkliəs/
🇬🇧
/ˈnjuːkliəs/
The center of an atom that has most of its mass and a positive charge.
The nucleus of an atom contains protons and neutrons.
原子的原子核包含質子和中子。
The center of a cell that holds the genetic material.
The nucleus controls the activities of the cell.
細胞核控制著細胞的活動。
The central part of something where other parts gather.
These paintings will form the nucleus of a new collection.
這些畫作將構成新收藏的核心部分。