Barricades festooned with flowers and notes of condolence block access to the immediate area of the blasts, as investigators pore over it in the hunt for evidence.

饰以花朵与哀悼纸条围栏挡住了通向爆炸附近区域街道，以便调查人员仔细查看蛛丝马迹。

Come on, everybody lives somewhere.There's gotta be a paper trail.

跑得了和尚 跑不了庙 总会留下蛛丝马迹。

Each strand of spider silk is 1,000 times thinner than a strand of human hair.

蜘蛛丝比人类头发细 1000 倍。

So we're looking for any sign of poachers.

们正在寻找偷猎蛛丝马迹。

People are really looking for little signs of what the truth could be.

人们真在寻找真相蛛丝马迹。

Could your future closet be full of spider silk and lab grown leather?

你未来衣橱里是否装满了蜘蛛丝和实验室培育皮革?

This was a tragedy no one saw coming, but when they looked back, they realized the warning signs were there just no one understood what they were seeing.

这是一个没有人可以预见到悲剧，但是回过头来看，他们意识到之前就存在蛛丝马迹，只是当时没人看出来。

So where might we look for those glitches?

么，们去哪里找寻这些蛛丝马迹呢？

But the worms don't produce spider silk, either, just better silkworm silk.

不过这些蚕也不能生产出蛛丝，它们仅能生产出更好蚕丝。

And it's this -- it's spider silk.

就是蛛丝。

Of a fine, stout, healthy love it may. Every thing nourishes what is strong already. But if it be only a slight, thin sort of inclination, I am convinced that one good sonnet will starve it entirely away.

“必须是一种优美、坚贞、健康爱情才行。本身健强了，吃什么东西都可以获得滋补。要是只不过有一点儿蛛丝马迹，么相信，一首十四行诗准会把它断送掉。”

The average burglar breaks in and leaves clues everywhere, but not me. I'm completely clueless.

一般小毛贼入室行窃会留下各种蛛丝马迹。可不会。哥来无影去无踪。

They went and searched Dreyfus's apartment, looking for any signs of espionage.

他们搜查了德雷福斯寓所，寻找他从事间谍活动蛛丝马迹。

On Christmas Eve, the children were on the alert for any sign of Santa Claus.

在圣诞夜，孩子们随时注意圣诞老人出现蛛丝马迹。

They want to prove that somebody else was involved in this.

他们想要找到共谋犯蛛丝马迹。

Still, no clues have emerged as to how a state-of-the-art airplane could just disappear.

不过, 仍旧没有蛛丝马迹表明一架最先进飞机如何凭空消失。

So we knew then that the spider silk was sort of an ideal sound sensor.

所以们知道了蜘蛛丝是一种理想声音传感器。

Once dried, the webs are pulled apart with the fingers before they are spun.

干燥之后，用手把蛛丝扯开然后进行纺线。

The details of this culture and all traces of its language are lost.

一切文化和语言蛛丝马迹也已经遗失。

It was only last year that a research group was able to make a small amount of silk that perfectly matched the kind of silk that an orb-weaving spider dangles from.

直到去年，一个研究小组才得以制造出少量与圆网蜘蛛吐出丝完全吻人造蜘蛛丝。