Silk is also used for the safety lines many spiders drag behind them , which save them if they fall 蛛丝也是许多蜘蛛拖在身后的安全索，能在它们跌落时保住小命。
He says silk production was long thought to have evolved from glands found on the legs of early spiders 他说蛛丝一直被认为是从早期蜘蛛腿上的腺体逐渐演化而来的
If we don ' t exist in the world , they will set aside a portion of kindliness , and let it fly over the wind 假如我不存在了，他们就空留一份慈爱，在风中蛛丝般飘荡。
Physico - chemical structure characterizations of the silk from spider selenocosmia as a kind of natural nanometer fiber 一种天然纳米纤维捕鸟蛛丝的物理化学结构表征
Spider - man takes out bad guys by blasting balls of webbing from his wrists . real spiders ' webbing comes from their abdomens 蜘蛛侠从手腕中发射蛛丝弹来消灭坏蛋，真正的蜘蛛则是从腹部吐丝的。
And he died beloved , revered and mourned by millions of revolutionary fellow workers from the mines of siberia to california 他对这一切毫不在意，把它们当作蛛丝一样轻轻抹去，只是在万分必要时才做答复。
Fritz vollrath is a zoologist and expert on spider silk at the university of oxford in england , who was not involved in the research 弗里兹是英国牛津大学的动物学家也是蛛丝方面的专家.他并没有参与到这项研究中
The bottle was covered with spiders webs , and all the other signs which indicate the age of wine more truly than do wrinkles on a man s face 酒瓶上满是蛛丝，还有其他种种比一个人脸上的皱纹更确切地证明这确是陈年好酒。
A new study reveals that dragline silk , the stuff spiders use to rappel , has a molecular structure that makes it resilient to twisting 法国研究人员发现，原来蜘蛛丝中含有一种特殊的分子结构，能使蛛丝富有弹性，很容易克服摆动。
Different glands make different sorts of silk to be used for purposes including the manufacture of egg sacs , lining shelters and constructing webs 不同的腺体制造不同种类的蛛丝，其作用包括制造卵囊?划定居所?编织蛛网等许多方面。
