)”以及最后一段“Studies about spider webs could pave the way for creating new materials that could be used in medicine and engineering. But synthetic (人工合成的) spider silk has been difficult to create.(对蜘蛛网的研究可以为创造可用于医学和工程的新材料铺平道路。但是合成蜘蛛丝一直很难制造...
根据第四段的第三句We recently discovered that to make silk like a spider's, we have to start with the right material. We have been using a material that is too runny.可猜测其句意为 "我们最近发现,要使丝绸像蜘蛛的一样,我们必须从正确的材料开始。我们一直在使用一种太过稀的材料。“可知...
How are Spider Webs Made? Spider web construction begins with liquid silk being produced in the spider’s internal silk glands. Each silk gland has a faucet-like structure called a spigot which is located on the surface of the spider’s spinnerets. Spinnerets are located on the tip of the...
There are many eggs in this tiny case. It looks like light brown cotton candy but it is made of silk. Whose eggs are these ? 这个小盒子里有很多鸡蛋。 它看起来像浅棕色的棉花糖,但它是丝做的。 这些是谁的蛋? They are spider e...
It looks like light brown cotton candy but it is made of silk. Whose eggs are these ? 这个小盒子里有很多鸡蛋。 它看起来像浅棕色的棉花糖,但它是丝做的。 这些是谁的蛋? They are spider eggs, you can find them near spider webs.
If you think spider webs are weak, think again! Spider webs are made of silk.That is one of the strongest materials. In fact, silk is stronger than the same mount of steel. A spider produces a sticky liquid(黏液) from its body, That liquid grows hard into a strong silk thread(线)....
【语篇分析】 1.根据“If you think spider webs are weak, think again! Spider webs are made of silk. That is one of the strongest materials.”可知答案。 2.根据“However, in the body of spiders, it is thick like mayonnaise(蛋黄酱)”可知答案。 3.根据“We have been using a material that...
silkSphecidaeTheridiidaeSpider webs result from complex behaviours that have evolved under many selective pressures. Webs have been primarily considered to be foraging adaptations, neglecting the potential role of predation risk in the evolution of web architecture. The ecological success of spiders has ...
It looks like light brown cotton candy but it is made of silk. Whose eggs are these ? 这个小盒子里有很多鸡蛋。 它看起来像浅棕色的棉花糖,但它是丝做的。 这些是谁的蛋? They are spider eggs, you can find them near spider webs.
It looks like light brown cotton candy but it is made of silk. Whose eggs are these ? 这个小盒子里有很多鸡蛋。 它看起来像浅棕色的棉花糖,但它是丝做的。 这些是谁的蛋? They are spider eggs, you can find them near spider webs.