| 1. | A degree of collective immunity may be observed .
可见到一定程度的群体免疫力。 |
| 2. | This vaccine will give you immunity for two years .
接种这种疫苗可有两年的免疫力。 |
| 3. | Immunity for our island has gone too since we took to commerce .
自从我们开始对外贸易以来，我们岛国不受外界影响的免疫力已经不存在了。 |
| 4. | It later became apparent that rabbits were developing a degree of resistance to this disease .
后来，兔子显然对这种疾病产生了一定的免疫力。 |
| 5. | Immunity in this sense can be acquired "actively" by direct exposure of the subject to an infectious organism .
从这个意义上说，免疫力可以通过直接暴露于感染源而“主动”获得。 |
| 6. | The defence mechanism which can make us immune to certain diseases also makes us "immune" to other people's organs and tissues .
使我们对某些疾病产生免疫力的自卫机能也能使人们对别人的器官或组织产生排外性。 |
| 7. | This vaccine will give you immunity for two years
接种这种疫苗可有两年免疫力。 |
| 8. | She thought women might be immune to lung cancer
她认为女性可能对肺癌有免疫力。 |
| 9. | It is new , so there is no natural protection
这是新的病毒，所以没有天然的免疫力。 |
| 10. | Improve sleeping appetite and immune ability
可以改善睡眠，增进食欲，提升免疫力。 |
