| 1. | I have heard that he has been married before ..
我听说他过去结过婚。 |
| 2. | This state has been named "premunition" .
这种状态称为“传染免疫”。 |
| 3. | This philosophy has been proved incorrect .
这种观点被证明是错误的。 |
| 4. | The treaty has been prolonged for another ten years .
条约延长十年。 |
| 5. | An important principle has been laid down .
一个重要的原则已被确定。 |
| 6. | This approximation has been discussed earlier .
这个假定以前讨论过。 |
| 7. | The water-table has been lowered by drought .
地下水位因干旱已降低。 |
| 8. | Oh dear ! the travelling bag has been left behind .
旅行袋忘了拿了。 |
| 9. | The excision of the clause has been decided .
已经决定删除这个条款。 |
| 10. | He has been doing this sort of work for years .
他干这一行有年头了。 |
