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1. | A degree of collective immunity may be observed. |
| 可见到一定程度的群体免疫力。 |
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2. | failure of specific immunity |
| 无特殊免疫力 |
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3. | were developing a degree of resistance to this disease, |
| 兔子对这种疾病已产生了一定程度的免疫力, |
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-- 来源 -- 新概念英语第四册 - A man-made disease |
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4. | The refiner(提炼者) defined(定义) a definite(明确、一定的) confine(限制、界限) with her fine finger. |
| 提炼者用她精细的手指定义了一个明确的界限. |
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5. | 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。 |
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6. | tively acquired immunity |
| 自动后天免疫力 |
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7. | immunological deficiency |
| 免疫力缺乏 |
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8. | failure of nonspecific immunity |
| 无一般免疫力 |
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9. | inherent immunity |
| 先天免疫力 |
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10. | Be immune to diphtheria |
| 对白喉有免疫力 |
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