Jim Lovell talked about the current situation at NASA during an event to mark the fortieth anniversary of Apollo Thirteen.

VOA: special.2010.04.28

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

Mark is incredibly good at keeping the bar very high on new hires.

在招聘时,马克从不降低标准。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Mark Gendreau works at the Lahey Clinic Medical Center in the American state of Massachusetts.

VOA: special.2009.07.14

Because at the end it turned out that Mark Antony and Octavian fought a civil war.

因为最终马克·安东尼与屋大维,展开了内战。

耶鲁公开课 - 新约课程节选

Mark Johnson made the songs by recording one part of the song at a time.

VOA: special.2009.07.31

But where he really made his mark was at the University of California,Los Angeles.

VOA: special.2010.06.10

At the festive ceremony, the president acknowledged that this legislation will mark a fundamental change in U.S.domestic policy.

VOA: standard.2010.03.23

The national security challenge comes at a difficult time for Mr.Obama, who later this month will mark his first year in office.

VOA: standard.2010.01.06

Mark Nappi from United Space Alliance, NASA's largest shuttle contractor, says job cuts at the Kennedy Space Center could be just the beginning.

VOA: standard.2010.03.18

Lt.Col.Mark Ahrens is on the command staff of the 56th Rescue Squadron at Bagram.

VOA: standard.2010.04.27

At the University of California at Davis, Mark Bell teaches international agricultural development.

VOA: standard.2010.08.09

But Mark Zandi at Moody's Economy.com warns the recovery may be fragile.

VOA: standard.2010.01.29

What grew as the pet project of Mark Zuckerberg, when he was a student at Harvard,has exploded - gaining eight new users ever second for the past 15 months.

VOA: standard.2010.07.23

Zhou Yang broke the women's beating the previous mark held by compatriot Wang Meng.Zhou, Wang and their two teammates bettered the mark in the 3000-meter relay that China had set at the 2002 Salt Lake City Olympics.

VOA: standard.2010.03.01

Iranian officials say at least 27 people were killed and some 270 wounded in twin suicide bomb attacks at a mosque in Zahedan in Sistan-Baluchistan province, where worshippers had gathered to mark the birthday of the Prophet Muhammad's grandson, Imam Hussein.

VOA: standard.2010.07.16