He says that sends an important signal to the world at a time when the Iraqi government is being tested at home.

VOA: standard.2009.11.08

This is important because we use this all the time for when, when we do technology.

因为当我们做技术工作,的时我们一直在用它。

麻省理工公开课 - 热力学与动力学课程节选

I think that global warming is an extremely important issue for our time.

我觉得全球变暖是我们时代一个极其重要的问题。

全球变暖和发达国家 - SpeakingMax英语口语达人

We have got to do something,". Earlier Saturday, in his weekly internet address, Mr.Obama said the country has had a long and important debate on health reform, but it is time to act.

VOA: standard.2009.09.12

The take-aways are that an equity bias is an absolutely sensible underpinning for investors with long time horizons but that diversification is important.

对于长期投资者来说,股权偏好的存在,是长期投资获利的重要基础,但是分散投资也很重要

耶鲁公开课 - 金融市场课程节选

And, as announced last time, the most important game is the penalty kick game.

正如我上次所说的,它就是罚点球

耶鲁公开课 - 博弈论课程节选

I don't have any very good answers for that and yet it is one part of the traditional explanation is this, and it's a very important one and much debated, that at a critical time in the battle one technique would be one side would give one great big shove.

我并没有令人满意的答案,目前还有一种传统解释,很重要,同时也饱受争议,那就是在战局千钧一发的时刻,有一项技术就是一方给对方致命一推

耶鲁公开课 - 古希腊历史简介课程节选

You know about retroviruses, the most famous and important one at this time is HIV, which is a retrovirus.

你们应该听过逆转录病毒吧,现下最为知名而重要的 HIV,就是一种逆转录病毒

耶鲁公开课 - 生物医学工程探索课程节选

But before you even do that, I want to define for you an important concept, which is the velocity at a given time, v .

但在这之前,我要给你们定义一个重要的概念,也就是给定时刻的瞬时速度v

耶鲁公开课 - 基础物理课程节选