But both Clinton and Lavrov, in comments after their second full-scale meeting since March, say the problems will not hamper broader cooperation between the two powers including their effort to put further curbs on the world's largest nuclear arsenals.

VOA: standard.2009.05.07

And if you noticed earlier that these are what we'd call powers of ten, these are just powers of two.

四位，八位吗？,如果你想想之前学习的十的次方，这些就是二的次方。

哈佛公开课 - 计算机科学课程节选

This is a point we'll come back to, particularly when we're talking about the two most important states, two of the great powers of the period that did not have absolute rule.

这一点我们后面会详细讲,特别是当我们谈到最重要的两个,没有建立绝对统治的强国的时候

耶鲁公开课 - 欧洲文明课程节选

The Obama administration has encouraged efforts at dialogue between the two South Asian powers, capped by the meeting this week in Egypt between Indian Prime Minister Manhoman Singh and his Pakistani counterpart Yousuf Raza Gilani.

VOA: standard.2009.07.17

Clinton's India visit, which began late Friday in Mumbai, has been filled with reminders of the Pakistani-based terrorist attacks on that city last November that killed 166 people and set back relations between the two South Asian powers.

VOA: standard.2009.07.20

"The powers that have an influence in Iraq are in a much better situation than they were two years ago and certainly they will encourage, will coax,will put some pressure on the Iraqi politicians to get this done,".

VOA: standard.2009.10.26