They can cover vast areas and have elaborate defences.

它们可以覆盖广阔的区域，并有精心设计的防御措施。

The immune system is our body's defence against infection and disease.

免疫系统是人体抵御感染和疾病的系统。

The core of her successful defence was that she knew nothing.

她自我辩护成功的关键是她对此一无所知。

Outside Amiens, British and Australian troops improvise a defence, and finally halt the German advance.

亚眠之外，英澳部队随机应变想出了一个防御策略，终于挡下了德军的进势。

A good way of overcoming these defences was through mining.

攻克这些防御的一个妙招是挖地洞。

There are downsides to such defences.

这样的防御措施也有不利之处。

His lawyers are claiming self defence.

他的律师辩称他是出于自卫。

Mr Brogan-Moore will lead the defence.

Brogan-Moore 先生会为他辩护。

Vilified as tyrant of the arts, David tried to stammer a defence.

他被判定为艺术的暴君，大卫支支吾吾地试图辩护。

Rigid rules are not the best defence against people overstaying their welcome.

严格的规定并不是防止人们在职位逗留过久的最佳措施。

They also serve an important role in the flood defences of an area.

它们对防治洪水起到了关键的作用。

The Lakers have the best defence, and I bet they'll beat the Rockets.

湖人队有最好的后卫，我肯定他们会挫败火箭队。

Ministers say Boris Johnson's defence of Dominic Cummings undermines the government's message.

大臣们表示，鲍里斯·约翰逊对多米尼克·卡明斯的辩护破坏了政府传达的信息。

One document reportedly detailed the nuclear capabilities and military defences of an unnamed foreign power.

据报道，一份文件详细介绍了某外国势力的核能力和军事防御能力。

Speak of my lameness, and I straight will halt, against thy reasons making no defence.

说我腿瘸，我立刻蹦跳着行走，对你给我的指摘绝不加以反对。

Mrs. Vole you realise your husband's entire defence rests on his word and yours?

Vole 夫人，你知道为你丈夫辩护，全依赖于你和他的证词吗？

In effect, Britain would have privatised defence procurement.

实际上，这是将英国的国防采购私有化。

The crocodile newt gets its name from the bumps along its back. These are its defence.

鳄鱼蝾因背部的突起而得名。那是它的防御系统。

As the threat grows, so does the case for beefing up defences against disease.

随着危机不断升级，对疾病的防御也应同样加强。

The phrase 'drop your defences' means to relax and trust something by lowering your psychological barriers.

短语“drop your defences”的意思是通过降低心理防线来放松、建立信任。