The Texas A&M and University of Houston researchers focused on a certain type of piezoelectric material, which is able to convert energy when it is manufactured at around 21 nanometers thick.

德克萨斯A&M大学和休斯敦大学的科学家们将研究重点放在一些压电材料上，它们只有21纳米的厚度，却能够转换能量。

youdao

M: No, "to be out of line" means to speak or act when it is not appropriate, especially when dealing with someone who is your superior.

To-be-out-of-line就是话说得不恰当，或者是做事做得不合适，特别是对长辈。 那不就是我刚才说的“没分寸”吗？

youdao

'Humor makes you feel in control and it can give you that feeling that everything is okay even when it's not,' says James M. Jones, a psychology professor at the University of Delaware.

特拉华大学(University of Delaware)心理学教授琼斯(James m . Jones)说，幽默令你觉得自己掌控着局面，并让你觉得一切都没问题，即使实情并非如此。

youdao

"I'm all about words. And when it comes to words, poetry is at the top of my list.

VOA: special.2009.10.12

So when I'm writing the poem, when the poem is writing itself through me, at its best, I'm reading it; it is reading me.

所以，我在写诗时，或者说，当诗在通过我创造自己时，我在读诗，诗也在读我。

普林斯顿公开课 - 人性课程节选

And then our drop date is normally, I'm not exactly sure when, but it's actually probably in November,

然后退课的日子通常是，我不确定什么时候，不过其实大概是十一月，

对于返校日 - SpeakingMax英语口语达人

This subject, as important as it is, I think it tends to be one I hear more about when I'm in Washington, D.

NPR: Sen. Cornyn: NSA Phone Tracking a Useful Tool

So I don't know what it is that I'm supposed to do when I'm retired.

NPR: Conductor James DePreist

"It is very flattering when they tell me I'm a great artist and performer, " said Rivera in a 2010 interview with CNN en Espanol.

CNN: Jenni Rivera is mourned, but still inspires