Ragweed is a common allergen, especially during the fall.

草是一种常见的过敏原，秋天时尤为常见。

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，收细菌和其他尘土飞扬的过敏原和刺激物。

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

我们的解决法是为尘螨和过敏源制造障碍。

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

过去20来，他一直在研究气候变化对过敏原的影响。

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

我不想再回到原来的地，棕熊！很冷，而且到处是室外过敏原！

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

一般来说，预防过敏性鼻炎发作的最好法就是尽可能地避免接触过敏原。

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

其一，气候变暖使产生过敏原植物的生长季节变长。

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敏原时，我们没有太多的反应… … 在身体外部是这样。

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

法国的DBV科技公司正在研究一种基于皮肤的治疗法，作为帮助人体耐受花生等过敏原的另一种法。

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敏影响的报告时，通常会引用杰斯卡的研究。

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敏原时，让你较不会对它产生过敏。

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的祖先消除寄生虫威胁和其他刺激性的东西，如荆棘和过敏原。

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，会对特定过敏原反应过度。

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

好吧，大豆是一种常见的过敏原，并且根据食物过敏。

It's cold and full of outdoor allergens!

很冷 而且到处是室外过敏原！

Well, prolonged exposure to an allergen with minimal symptoms.

最低限度的长时间的暴露在过敏物里。

Okay, then we'll gradually introduce allergens to see how she responds.

然后逐渐的把可能引起她过敏的东西让她接触 看看她有什么反应。

One type is called the patch test, where allergens are applied to small patches and stuck onto the skin.

其中一种叫斑片试验：将过敏原涂布到斑片上，再将斑片贴到皮肤上。

Another theory is that an immune system toughened up by a barrage of pathogens is less likely to overreact to allergens.

另一个理论是受病原体猛攻后所强化的免疫系统对过敏原较不会过度反应。

If you never cleaned your contacts, then protein deposits, allergens and microorganisms would buildup on the lens leading to blurred vision.

如果你从不清洗隐形眼镜，那么蛋白质沉积物、过敏原和微生物就会在镜片上堆积，导致视力模糊。