那些小乐器是什么材料制作的？

And these small instruments are made of...?

youdao

岛上的珠子和顶端的球是什么材料的？

What are the islands rods and the top ending spheres made of ?

youdao

这条裤子是什么材料做的？

What are these pants made of?

youdao

What gives it those properties?

是什么赋予了材料这样的属性

耶鲁公开课 - 生物医学工程探索课程节选

Because you trust biomedical engineers to have done a good job in designing these things and we'll talk about how biomaterials are designed and tested, and what makes a material, the properties of a material that you could use as a contact lens, what are the properties that it needs to have.

因为你深信生物医学工程师们,在设计这些材料时,已经做了充分的工作,我们会讨论如何设计和测试这些生物材料,什么材质具有,能够用来,做成隐形眼镜的材料的属性,它们需要具备的特性究竟是什么

耶鲁公开课 - 生物医学工程探索课程节选