Some extractions of foreign objects are more complicated than others.

一些外物的提取比其他的更复杂。

And guess what? Our nanoparticle is considered a foreign object.

很显然，我们的纳米粒子 就是一种外来物体。

Then your immune system knows to go and kill this foreign object.

然后你的免疫系统知道就会杀死这些外来异物。

That may stop the immune system attacking such grafts as foreign objects.

这可能会阻止免疫系统将这些移植物当作异物来攻击。

They found surgeons leave a foreign object inside at least 39 patients each week.

发现外科医生每周至少在39位病人体内留下异物。

It can remove a foreign object from and deliver medicinal drugs to a model stomach.

用这类机器人清除胃模型中的异物，并将作药物输送到模型胃。

In many cases, train workers have to remove foreign objects from overhead lines manually.

在大多情况下，铁路工作人员必须手动从接触网清除外来物。

It's not the foreign object on your eye that would cause you the most problems.

给你带来最大麻烦的不是眼睛上的异物。

According to the study, the occurrence of foreign objects in children is generally attributed to curiosity.

根据研究，儿童身上出现异物一般是因为好奇心。

The bigger the foreign object, the harder it is to clean it up. Bird nests are one of the most difficult.

异物越大，清理起来就越困难，鸟巢是最难清理的外来物之一。

It appears that her husband is the foreign object.

看上去 她老公是异物。

I suspect that there's some sort of foreign object in the pipes that's causing a blockage. That's what's making your toilet overflow.

我猜可能有一些外物堵住管道了才造成的堵塞。所以你的洗手间才满溢。

Once the doctors had a look, they realized she had some inflamed tissue up her nose and something that resembled a foreign object.

医生一看，就发现她的鼻子上有一些发炎的组织，还有一些类似异物的东西。

So do yourself a favor and keep all fingers and foreign objects away from your nostrils.

所以帮自己一个忙，让所有手指和异物远离鼻孔。

There is a catch, though: a process called biofouling, in which foreign objects implanted in the body become encrusted with proteins and tissue.

被称做生物污垢的过程，即被移植进人体的外来物会嵌入蛋白质和组织中。

One downside to this, however, is that it exposes  the wings to more risk of foreign object damage.

然而，这样做的一个缺点是它会使机翼暴露在外来物体损坏的更大风险中。

Ukraine's armed forces say recent information shows foreign objects similar to explosive devices have been placed on the roofs of the station's third and 4th reactors.

乌克兰武装部队说，最近的信息显示，类似爆炸装置的异物被放置在核电站第三和第四反应堆的屋顶上。

According to England's Hospital Episode Statistics, children aged one to four were the most likely to need help from doctors for a foreign object in their nose.

根据英国医院的事件统计，一到四岁的儿童最有可能因为鼻子里有异物而需要医生的帮助。

On May 1, strong gales in Baoding, Hebei province, caused a foreign object to be caught in high-speed rail overhead lines, leading to the delay of trains.

5月1日，受河北保定市大风天气影响，高铁接触网挂异物，导致部分列车晚点。

To add to our fun, we've been asked to consult on a case where a woman has a foreign object stuck inside of her.

有趣的是 我们得去处理一起病例一个女人把外物卡在身体里了。