But that goodwill will be tested during three key summits Mr.Obama will be attending in London, on the French-German border, and in Prague.

VOA: standard.2009.03.29

It's deliberate that a lot of the examples in lecture are fairly short and bite-size so that you can actually focus on pulling out the key ideas without getting distracted by line and lines of code.

很多的演讲中的例子,是短小的,因此你们可以集中于提取其中的主要思想,而不是被一行行的代码给分心。

哈佛公开课 - 计算机科学课程节选

So if you've ever seen or used an old school typewriter, you might recall that when you're typing something out on an old mechanical typewriter, - when you like hit the char-- when you hit the enter key to move the head back to the left hand side to the next line or you would pull down some lever, it was really a two part process.

如果你们有谁曾经看过或用过老式打字机，可能还记得，当你在,这种老式打字机上打字的时候，当你-,敲入回车键，跳转到,下一行的最左边，或者,拉一下杆，这个需要两步走。

哈佛公开课 - 计算机科学课程节选

South Korea Unification Minister Hyun In-taek is Seoul's key official on North Korea policy.

VOA: standard.2009.03.12

King Abdullah said he has urged the president to focus on the Israeli-Palestinian dispute, saying that is the key to resolving all the other problems in the region.

VOA: standard.2009.04.26

(Test) The U.N.Secretary-General says he is "optimistic" a climate-change agreement can be reached in Copenhagen that will include specific recommendations on key elements that will take effect immediately.

VOA: standard.2009.12.09

Insurance companies would no longer be allowed to deny health coverage based on pre-existing medical conditions a key point of weakness in and public anger with the current system.

VOA: standard.2009.07.21

The president has said on numerous occasions that the key to combating al-Qaida and Taliban advances is a regional approach that includes three elements: military action,diplomacy, and support for development.

VOA: standard.2009.03.26

Late this year, scientists and politicians are to gather in Copenhagen for a key global climate-change summit in an effort to thrash out a consensus on cutting heat-trapping greenhouse gasses.

VOA: standard.2009.03.12

"It depends on what the Egyptians will do out of it and how they focus the investment foreign policy-wise in key spaces which are relevant to national security issues where Egypt has a greater chance of success."

VOA: standard.2009.11.03