| 1. | Every nucleus lives in splendid isolation .
原子核处于极佳的隔离状态。 |
| 2. | A nucleus can have only one y-chromosome .
一个核可以仅有一个Y染色体。 |
| 3. | An atom contains a tiny heavy nucleus .
一个原子含有一个微小而重的核。 |
| 4. | Nuclei are about as large as a "barn" .
原子核大约是一个“靶”那么大。 |
| 5. | The shaded boxes indicate stable nuclei .
有阴影的格子表示稳定的原子核。 |
| 6. | What is the "recoil" speed of the nucleus ?
原子核的“反冲”速率是多少？ |
| 7. | The hadronic force holds nuclei together .
强子作用力保持原子核为一整体。 |
| 8. | Nuclei are composed of protons and neutrons .
原子核是由质子和中子构成的。 |
| 9. | Normally, nuclei are not completely isolated .
通常，原子核并不是完全孤立的。 |
| 10. | Three nuclei differentiate into the antipodal cells .
三个核分化成为反足细胞。 |
