英语新闻听写 蜘蛛丝人工肌肉即将登场

 

Spider silk could soon be a vital resource used in building artificial muscles.

蜘蛛丝马上可被用作人工肌肉的一种重要资源。

According to Geek.com, the silk spun¹ by spiders is already used in everything from violin strings² to electrical wires.

Geek网站消息称，蜘蛛丝纺成的丝线已经被用在各行业，比如小提琴弦和电线。

A team of engineers at MIT may soon turn the silk into artificial muscles or robotic actuators.

麻省理工学院的一组工程师或许很快就能将蜘蛛丝变成人工肌肉或机器人驱动器。

The spider silk is one of the strongest materials for its weight. The silk also reacts heavily to changes in humidity.

蜘蛛丝因其重量而成为了最坚韧的材料之一。蜘蛛丝也对湿度的变化反应剧烈。

Exceed a certain level of dampness in the air and the fibers³ suddenly contract and twist

空气中的适度超过某一水平，蜘蛛丝纤维就会立即收缩并拧在一起

exerting a similar amount of force as a machine controlling a valve.

其产生的力道类似于一台机器控制一个阀门的力道。

1 spun   

v.纺，杜撰，急转身

参考例句：

• His grandmother spun him a yarn at the fire.他奶奶在火炉边给他讲故事。
• Her skilful fingers spun the wool out to a fine thread.她那灵巧的手指把羊毛纺成了细毛线。

2 strings   

n.弦

参考例句：

• He sat on the bed,idly plucking the strings of his guitar.他坐在床上，随意地拨着吉他的弦。
• She swept her fingers over the strings of the harp.她用手指划过竖琴的琴弦。

3 fibers   

光纤( fiber的名词复数 )； （织物的）质地； 纤维，纤维物质

参考例句：

• Thesolution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared. 在此基础上，以硫酸钠为凝固剂，对胶原-PVA共混溶液进行湿法纺丝，制备了胶原-PVA复合纤维。
• Sympathetic fibers are distributed to all regions of the heart. 交感神经纤维分布于心脏的所有部分。