| 1. | The fortress was the nucleus of the ancient city. |
| 这城堡是这座古城的中心。
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| 2. | Observations do not indicate that cloud nucleus concentrations parallel those of sulphur dioxide. |
| 观测没有表明云核浓度与二氧化硫浓度相关。
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| 3. | What is the parent nucleus ? |
| 母核是什么?
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| 4. | It constitutes [forms] the nucleus of the story. |
| 它构成事故的核心。
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| 5. | Retired employees make up the nucleus of the club. |
| 退休雇员成为这个俱乐部的核心。
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| 6. | Many people believe that the family is the nucleus of the community. |
| 许多人认为家庭是社会的核心。
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| 7. | atomic nucleus |
| 原子核
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| 8. | a nucleus of leadership |
| 领导核心
|