A) It reminds them of an ancient set of biological defence mechanisms.

A) 这让们想起了一套古老防御机制。

If a cell's defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.

如果发现双链RNA就会迅速将销毁，以保护机体免受病毒感染。

Some organisms use bioluminescence as a defence mechanism. Lighting up an attacker can make it more vulnerable to the attentions of others.

一些体利用光作为一种防御机制。照亮袭击者可以让它们不那么容易引起注意。

When a person is ill, the body’s natural defence mechanisms come into operation.

【mechanism】病时，人体内自然防御机制就会开始工作。

When my parents got divorced is when I started using humour as a defence mechanism.

我父母离婚后我开始用幽默来自卫。

My research suggests that horror works by exploiting an ancient set of biological defence mechanisms an evolved fear system, which we share with other animals.

我研究表明，恐怖是通过利用一套古老防御机制——我们与动共享一种进化恐惧系统——发挥作用。

A part of me, that dates back to a defence mechanism of childhood, needs to put some walls between us because proximity feels at some level odd and frightening.

我内心一部分，源于童年防御机制，需要在我们之间设置一些界限，因为在某种程度上，亲密会让人感到奇怪和害怕。

Sometimes I wondered if it was a defence mechanism, whether the only way to cope with his life was to pretend it wasn't him it was happening to.

有时我想知道这是否是一种防御机制，应对活唯一方法是否就是假装这不是发在身上事情。

It is believed that the molecule emerged as a defence mechanism against invasive bacteria, plant pathogens and — We humans and an Asian tree shrew are the only mammals in the world known to tolerate or even seek out capsaicin.

据称，辣椒分子能够防御入侵细菌、植病原体和-人类和一种亚洲树鼠是世界上已知能耐受甚至寻找辣椒素哺乳动。