Scientists hope this vehicle could permit them to one day explore the icy oceans on Jupiter's moon Europa.

VOA: special.2009.06.03

Every other book in this political science that has since been written, beginning with Aristotle's Politics and moving on to the present day is, in one way or another, an answer, a response to Plato's Republic.

这门政治科学,所用的其它现存读物，从亚里士多德的《政治学》,一直到今日的其它著作，多少都只是，对柏拉图的《理想国》回答或响应。

耶鲁公开课 - 政治哲学导论课程节选

One soldier told of guarding the president's house on a day when Lincoln was sitting on the porch with his young son Tad.

VOA: special.2010.05.10

One day,Mama and Caroline came back to the island on a boat after Carolines singing lesson.

VOA: special.2009.02.14

One day,he was sitting on his father's knee.

VOA: special.2009.02.21

Unusually severe rains began falling on September 1 in Burkina Faso, depositing about one-quarter of the country's annual rainfall on the capital,Ouagadougou in just one day.

VOA: standard.2009.09.13