The pulmonary macrophages are the body's primary defence mechanism to contain M. tuberculosis.

Lying can be a defence mechanism.

说谎可以成为一种保护装置.

The kind of leader who would leave the country isolated and defenceless.

这种类型的领导人将会使国家处于孤立和毫无防御能力的状态.

The influx of information , though unstoppable, should not render us utterly helpless and defenceless.

　　谁也无法锁住天空, 这是大势所趋, 挡也挡不住.

Often bitten as they sleep, the young ones are defenceless against mosquitoes that carry it.

常常在睡觉时被叮, 年轻者可以使用蚊帐预防它.

Not only are they dumb and dirty, sheep are utterly defenceless.

羊很笨,还很脏, 并且完全柔弱无依.

The village is defenceless against attack.

这个村庄毫无防御能力。

The boss has a nasty habit of baiting defenceless subordinates.

这位老板有一个作弄孤立无助的下级的恶习.

This was a savage attack on a defenceless young girl.

对于一个毫无防御能力的女孩子来说,这是一次残忍的侵犯.

He found himself defending a colony that Britain had left defenceless.

他发现自己在防守一个英国并没有设防的殖民地.

Troops indiscriminately massacred the defenceless population.

军队肆无忌惮地屠杀手无寸铁的民众。

HIV makes you defenceless against infection and illness.

爱滋病病毒使你对有些感染和疾病失去抵抗力.

The Great Wall was strong defences.

长城曾经是坚固的防御工事.

They are too evenly matched, and their natural defences are too formidable.

它们都势均力敌, 天堑一般的防御条件不可逾越.

Squads of prison officers have been probing the rioters' defences.

几队狱警一直都在探察暴乱者的防卫情况。

German figures could be seen working rather leisurely with pick and shovel at their defences.

可以看到德国人在丛林之间悠闲地用大镐和铁铣构筑防御工事.

In a single day all the outer line of the Dutch defences was mastered.

在一天之内荷兰防御工事的整个外线全部被占领.

When the war ended all defences stopped, too.

战争结束时防御工事也停止了.

They smashed the enemy's defences.

他们摧毁了敌人的防卫工事.

Its defences are designed around a direct large-scale assault.

它的防卫措施是根据大型直接的攻击而设计.

People have been mobilised to build defences and drain flooded land as heavy rains continue to fall.

大雨还在继续下，人们已经被动员起来修筑防洪工事，为遭淹田地排水。