A hoop house is basically a metal frame covered with plastic or other all-weather material.

VOA: special.2009.12.22

It may not be clear to you on a tenth reading, unless you approach it with the proper questions and the proper frame of mind.

可能在第十次阅读时仍是如此，除非你在着手阅读时,持有适当的问题,及合宜的心情。

耶鲁公开课 - 政治哲学导论课程节选

So, just, if you can take what I'm saying for a moment right now that in fact this should collapse in this very small time frame, we have to see that there's a problem with one of these two things, either the Coulomb force law or Newtonian mechanics. So, what do you guys think is probably the issue here?

所以如果你们考虑我,开始说的这个塌缩应该,发生在很短的时间里，那么这两者之一就有问题,要么是库伦定律,要么是牛顿力学,你们觉得应该是哪个的问题？

麻省理工公开课 - 化学原理课程节选

To build the houses, he fills a wood frame with tightly packed bales of straw.

VOA: special.2009.10.05