哪一个是第一个最有用途的发明？

Which is the first most useful invention?

youdao

胶原现已被视为最有用途的生物材料。

Collagen is taken as one of the most useful biomaterials.

youdao

如果不能，那么这些方法就是没有用途的！

If not, then do not use these methods is that!

youdao

And then, when those things cease to have the form they had, the parts get used for other purposes.

当物体不再以它们之前的型相存在之后,每个组成它的部件会有其他的用途

耶鲁公开课 - 死亡课程节选

So I think there's a lot of different uses for them, but they're nice.

所以我觉得它们有很多不同的用途，但是它们真的很棒。

讲述伦敦的生活 - SpeakingMax英语口语达人

So you build it with a material like silver and gold, and then you encounter the problems of society that your bridge might get stolen because somebody thinks they have a better use for silver and gold than your bridge.

但如果你用金或银这样的材料,你又会面对新的问题,你的桥会被偷走,因为有人认为金和银有比造桥更好的用途

耶鲁公开课 - 生物医学工程探索课程节选