About 4,000 - year-old corals? We don't know how much oil is down there."

VOA: standard.2010.06.08

The third movie is Snow White, which I haven't gone out to see, but my 4-year old daughter has seen on 24 of the last 27 nights on video.

第三部《白雪公主》我还没有看过,但我4岁的女儿在27个晚上看了24遍

耶鲁公开课 - 博弈论课程节选

That's how long it took for an international team of scientists to excavate and analyze the fossilized skeleton of a 4.4 million year old human ancestor, Ardipithecus ramidus, which was discovered in Ethiopia.

VOA: standard.2009.12.24