1.Ragweed is a common allergen, especially during the fall.

豚草是一种常见过，秋天时尤为常见。

2.Typically, the best thing for allergic rhinitis is to simply avoid the triggering allergen if possible.

一般说，预防过性鼻炎发作最好法就是尽可能避免接触过。

3.It traps dirt and germs, it keeps water out, and it collects bacteria and other dusty allergens and irritants.

它能够捕获灰尘和细菌，把水挡在外面，收集细菌和其他尘土飞扬过和刺激物。

4.Or mouth guards or airborne allergens or any of your other weird afflictions!

或者牙齿保持器和气传过或任何你其他怪毛病了！

5.Our method here has allowed us to create a barrier for dust mites and allergens.

我们解决法是为尘螨和过源制造障碍。

6.Interestingly, there's evidence that early exposure to allergens might protect against type 1 hypersensitivity.

有趣是，有研究表明：早期过暴露将降低I型超反应发生率。

7.For one thing, warmer temperatures are making the growing season for some allergen producers longer.

其一，气候变暖使产生过植物生长季节变长。

8.I don't want to go back out there, grizz! It's cold and full of outdoor allergens!

我不想再回到，棕熊！很冷，而且到处是室外过！

9.When we are first exposed to an allergen, we don't have much of a reaction… on the outside.

当我们第一次接触过时，我们没有太多反应… … 在身体外部是这样。

10.France's DBV Technologies is researching skin-based treatments as another way to help the body tolerate allergens like peanuts.

法国DBV科技公司正在研究一种基于皮肤治疗法，作为帮助人体耐受花生等过另一种法。

11.When other scientific writers report on the effects of climate change on allergens, they often use Ziska's research.

其他科学作家在撰写有关气候变化对过影响报告时，通常会引用杰斯卡研究。

12.Being exposed to an allergen as a baby makes you less likely to actually develop an allergy to it.

当婴儿时期暴露于某一过时，让你较不会对它产生过。

13.This reflex likely prompted our outdoor-dwelling ancestors to remove parasitic threats and other irritating things like thorns and allergens.

这种反射可能促使我们居住在户外祖先消除寄生虫威胁和其他刺激性东西，如荆棘和过。

14.For the past 20 years, he has been studying the effects of climate change on allergens.

过去20年，他一直在研究气候变化对过影响。

15.Well, soya is a common allergen, and according to foodallergy.

好吧，大豆是一种常见过，并且根据食物过。机翻

16.In asthma there is often an excessive reaction from type 2 helper cells or Th2 cells against specific allergens.

在哮喘中，2型辅助细胞或Th2细胞，会对特定过反应过度。

17.This gradually boosts tolerance to the allergen by reducing the immune system's tendency to produce IgE each time.

这种治疗法通过逐步抑制免疫系统产生IgE型抗体提高机体对过耐受性。

18.It's cold and full of outdoor allergens!

很冷 而且到处是室外过！

19.Prolonged exposure to an allergen with minimal symptoms.

Chase: 长时间暴露于过, 症状轻微。机翻

20.Well, prolonged exposure to an allergen with minimal symptoms.

最低限度长时间暴露在过物里。