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31. | the act of protecting against disease by introducing a vaccine into the body to induce immunity. |
| 通过接种疫苗增加免疫力预防疾病的行为。 |
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32. | it's genetically altered to be born without a thymus gland. |
| 给修改了基因 生来就没有免疫力 |
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33. | [Conclusion]Health population in Jinan had higher immunity to ECM diplococcus of Group A,but had lower one to that of Group C. |
| [结论]济南市健康人群对A群脑膜炎双球菌有较高的免疫力,但对C群脑膜炎双球菌免疫力普遍较低。 |
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34. | "Sure, sure," she said. |
| “一定,一定,”她说。 |
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35. | This transnational company handles Biological products with special effect on improving human immunity. |
| 本公司跨国经营生物制品,提高人体免疫力有特效。 |
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36. | I'm immune to smallpox as a result of vaccination. |
| 我种过牛痘了, 所以对天花有免疫力. |
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37. | The herb extract echinacea has immune-enhancing properties. |
| 松果菊属草药提取物也可以提高免疫力。 |
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38. | Chronic stress is associated with depression and suppressed immunity. |
| 长期的精神紧张与抑郁和免疫力低下有关。 |
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39. | He is immune to diphtheria because he had got it last year. |
| 他对白喉有免疫力,因为去年得过了。 |
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40. | There are natural ways to boost your body's defence system. |
| 我们可以借助一些自然疗法来增强机体的免疫力。 |
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