| 1. | Robbery is now an everyday occurrence . |
| 抢劫的事现在每天都有。
|
| 2. | Riots are of frequent occurrence in this province. |
| 这省经常发生骚乱。
|
| 3. | He was distracted at some occurrence . |
| 他被一桩意外事件弄得心烦意乱。
|
| 4. | I had a some what similar occurrence . |
| 我遇到过一件颇为相似的事。
|
| 5. | We may reduce the occurrence of cancer by fifty percent. |
| 我们可以把癌症的发病率降低50％。
|
| 6. | The occurrence of storms delayed our trip. |
| 暴风雨的来临耽误了我们的旅行。
|
| 7. | Flood is practically an annual occurrence in this district. |
| 这一地区几乎每年都发生洪水。
|
| 8. | Accidents are of constant occurrence . |
| 事故不断发生。
|
| 9. | It is a very fortunate occurrence . |
| 这是件很幸运的事。
|
| 10. | Snow is of frequent occurrence in winter. |
| 冬天经常下雪。
|