英语新闻听写 蜘蛛丝人工肌肉即将登场（在线收听）

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 spun by spiders is already used in everything from violin strings 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 fibers 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。