之后，氢气能被用作汽车和燃料电池的燃料原。

The hydrogen could then be used as a fuel source for vehicles or fuel cells.

youdao

据了解蠕虫啃食后留下的破洞能被用作研究数据。

Now we know that the holes left by worms as they dine can be used as data.

youdao

这意味着它是一个有效的社会工具，能被用作当地的杠杆。

This means that it is an effective communications tool that can be used to lever action on the ground.

youdao

And so, by and large, until this freon was invented by Midgley, there wasn't a good gas that had the right properties to be used for a refrigerant.

因此，总的说来，直到Midgley发明氟利昂，没有一个气体,能被很好的用作制冷剂。

麻省理工公开课 - 固态化学导论课程节选