An over-reactive immune system is also the cause of allergies, where a harmless agent (such as pollen) can lead to an unnecessary immune response.
过激的免疫系统也是引起过敏的原因，本来无害的物质(如花粉)会引起不必要的免疫反应。
It was just a piece of harmless frivolity.
这仅是无恶意的愚蠢行为。
It was just a harmless frolic.
那不过是个无害的嬉闹游戏。
It's just a bit of harmless fun.
开个小玩笑罢了，并无恶意的。
A group of moving elephants make people scared, although they are harmless.
一群移动的大象让人害怕，尽管它们是无害的。
Even seemingly harmless details on a resume, it appears, can tap into recruiters' biases.
即使是简历上看似无害的细节似乎也会引起招聘人员的偏见。
Unless you are allergic to tarantula venom, they are harmless to humans (though they pack a painful bite).
除非你对狼蛛毒素过敏，否则它们对人体是无害的（尽管它们咬你一口会很痛）。
The man who wrote this entry was called Ford Prefictor, and he was in a world far from being called harmless.
写下这个条目的人叫做福特·普里菲克特，他正在一个远远不能称作无害的世界里。
In study after study, there's a positive reaction in almost one-third of the patients taking harmless substances.
在一项又一项研究中，几乎有三分之一的病人在服用无害物质后产生了正反应。
Roughly the size of a soda can, sitting on a bookshelf, a relatively harmless gadget may be turning friends away from your home.
一个汽水罐大小的小东西放在书架上，这个相对无害的小玩意可能会让你的朋友远离你的住宅。
One group was given a drug while the other group received a harmless substance instead of medicine without their knowledge.
一组服用药物，而另一组在不知情的情况下服用无害的药物。
Most people considered him a harmless eccentric.
多数人都认为他是一个无伤大雅的怪人。
Popping food into the microwave for a couple of minutes may seem utterly harmless, but Europe's stock of these quick-cooking ovens emit as much carbon as nearly 7 million cars, a new study has found.
把食物放进微波炉里几分钟似乎完全无害，但一项新的研究发现，在欧洲，这种快速烹饪的机器的碳排放量几乎和700万辆汽车的一样多。
If labelling obesity as a disease was harmless then it wouldn't really matter, he writes.
他写道，如果把肥胖列为一种疾病不会产生危害，那就没什么影响。
Perhaps a design works so well. It is adopted elsewhere again and again, with seemingly harmless improvements, until, suddenly, it does not work at all anymore.
一种设计效果很好，反复应用于其他地方，加上一些看似没什么影响的改进，突然有一天它就不奏效了。
Why had I been so clumsy and nervous around a harmless boy?
为什么我会对一个无害的男孩子那么笨拙和紧张？
Conspiracy theories are often dismissed as a harmless irritation.
阴谋论通常被忽略认作是无害的激怒。
The man who wrote this entry was called Ford Prefect, and he was at this precise moment on a far from harmless world, sitting in a far from harmless bar, recklessly causing trouble.
写下这个条目的人叫做福特·普里菲克特，他正在一个远远不能称作无害的世界里，坐在一个远远不能称作无害的酒吧里，不顾一切地制造着麻烦。
Working with a seemingly harmless mouse and keyboard can cause chronic injuries just as easily as hauling a load of cement.
和看似无害的键盘鼠标亲密接触也能轻易的造成和拉一车水泥一样的慢性伤害。
One of them is a harmless hormone given off by potatoes.
其中之一是一种无害的土豆激素。
The cathode, however, is composed of a harmless hydrogen-absorbing alloy instead of toxic cadmium.
而阴极则是无害的贮氢合金而非有害的镉。
This is a very simple example of a harmless XSS exploitation.
这是一个无害的XSS攻击的简单示例。
The healthy subjects had a histamine solution, which was designed to make them itch.Others had a harmless salt solution applied.
健康者服用了可以致痒的组胺溶液，其他人则服用了无害的盐水。
The healthy subjects had a histamine solution, which was designed to make them itch. Others had a harmless salt solution applied.
健康者服用了可以致痒的组胺溶液，其他人则服用了无害的盐水。
While most E.coli bacteria are harmless, a group called enterohaemorrhagic E. coli (EHEC) can produce toxins, known as Shiga toxins or verotoxins, which damage blood cells and the kidneys.
虽然大多数大肠杆菌无害，但肠出血性大肠杆菌(EHEC)可以产生破坏血细胞和肾脏的志贺毒素或维罗毒素。
Tense minutes passed until Conway realized it was a harmless ling fish.
所有人紧张地严阵以待，一分钟，两分钟……最后康维发现原来它只是条无害的鳕鱼。
You might send what you think is a harmless e-mail to ten people.
例如，你给10个人发送了一封自以为无害的邮件。
Sure, it can be harmless to impersonate a celeb online or create a fake profile for a movie character.
当然，在网上冒充一个名人或是为一个电影角色创建虚假资料都是无害的。
Persistent balance problems are not something you should pass off as a harmless part of the aging process.
你不能把顽固的平衡问题看成是无害的衰老过程的一部分。
Persistent balance problems are not something you should pass off as a harmless part of the aging process.
你不能把顽固的平衡问题看成是无害的衰老过程的一部分。
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