| 1. | There is an evidence to suggest that the primary cause of conflicts between indian tribes was the invasion of territory . 有证据显示印第安部落之间发生冲突的根源是因为领土的侵犯。 |
| 2. | I will find out the primary cause as quick as possible 我会尽快查明主要的原因 |
| 3. | A primary cause of tom ' s failure is his laziness 懒惰是汤姆失败的主要原因之一。 |
| 4. | Chemical plants are a primary cause of air pollution 化工厂是造成空气污染的主要原因。 |
| 5. | Laziness is the primary cause of our failure 懒惰是我们失败的主要原因 |
| 6. | What are the primary causes of revolutions 革命的主要原因是什么? |
| 7. | Uvb rays harm the skin ' s surface and are the primary cause of sunburn Uvb损伤皮肤表面是造成晒斑的根本原因。 |
| 8. | The primary causes of failure are uncomntrolled local recurrence and distant metastasis 因此病人均需长期且定时追踪。 |
| 9. | The world ' s growing population has been a primary cause of rain forest destruction 世界人口的日益增长是造成热带雨林破坏的一个主要原因。 |