The noun 'nucleus' refers to the central and most important part of an organization or group, or the central part of an atom, consisting of protons and neutrons.
名词'nucleus'是核、核心，或原子核。
| 单词 | nucleus |
|---|---|
| 发音 | ['njuːklɪəs] |
| 释义 | n. 核，核心；原子核 |
| 词序 | 7063 |
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