So thermodynamics, based on these four laws now, requires an edifice, and it 's a very mature science, and it requires that we define things carefully.

热力学是一座，建立在这四条定律上的大厦，它是一门非常成熟的科学，也要求我们在定义东西时非常小心。

youdao

Now that we have a good grasp on the pigeonhole principle, let"s see how it can be used. Here are 16 of my favorite applications, categorized by difficultly".

现在我们对鸽子洞原理有了较好的理解，现在来是怎么运用的。以难易程度分类，我喜欢的有16种。

youdao

It 's now very convenient to talk to parents on Wechat.

现在用微信与父母通话非常的方便。

youdao

I think it's an incredibly exciting time because we can now draw on so many different sources that we are influenced by, and I sort of feel like anything goes."

VOA: special.2010.07.19

It's on the market, very popular in terms of your choices right now as an option as an anti-depressant.

它在市场上，作为治疗抑郁症的一种选择,现在非常畅销。

麻省理工公开课 - 化学原理课程节选

And then that one's got an 18 on it, so I had it for like two years now.

然后那个上面有一个数字18，所以我拥有它两年了。

忘不了的生日礼物 - SpeakingMax英语口语达人

It's Samsung's upcoming Galaxy Tab and it's on the loose right now in China with ifanr to thank for this round of pics.

ENGADGET: Samsung Galaxy Tab P1000 gets wild with Android 2.2

He says they've rebuilt that police force and it's now on the streets of Samara.

NPR: Political Stability and Personal Security Elusive in Iraq

If it was in a person's home, it's probably on this refuge right now.

NPR: Sabine Refuge Still Reeling from Rita's Wrath