| 1. | The sources of his power are multiple . 他权力的源泉是多方面的。 |
| 2. | We quickly learned the source of the excitement . 我们很快就知道了愤慨的原因。 |
| 3. | There is the source of the recurring pestilence . 那里是一再发生瘟疫的策源地。 |
| 4. | The long drought dried up the source . 水源都枯竭了。 |
| 5. | The brushes are connected to the source of electrical energy . 电刷和电能源相联接。 |
| 6. | He was averse to revealing the sources of his information . 他不乐意透露消息的来源。 |
| 7. | These rays originate at different points of the source . 这些光线是以光源上的不同点发出的。 |
| 8. | Is the source biased ? 这种来源有偏见吗? |
| 9. | All of the energy converted is dissipated within the source . 转换来的所有能量都耗散在电源内部。 |