nucleus
US
UK nucleus n: (physics: centre of atom) (物理)
SC 原子核 yuán zǐ hé
TC 原子核
TC 原子核
Every atom has a nucleus.
nucleus n: figurative (centre, core) (比喻)
SC 核，核心，中心 hé，hé xīn，zhōng xīn
TC 核，核心，中心
TC 核，核心，中心
A few faithful members formed the nucleus of the organization.