Mister Branson expects his company will be able to take one thousand people into space within the first year of operation.

VOA: special.2009.12.18

One of the first steps in that healing is that fibroblasts like this cell crawl into the space that's created by the wound and they grab a hold of both sides of the wound and contract and try to pull it together.

愈合的第一步是,成纤维细胞向,损伤的创口爬行,紧紧地抓住创口的两侧,通过收缩回拉 试着使创口合拢

耶鲁公开课 - 生物医学工程探索课程节选

But before NASA could send an astronaut into space, cosmonaut Yuri Gagarin of the Soviet Union became the first person to travel in space.

VOA: special.2009.06.17

Today we finish the story of the first American program to send a person into space.

VOA: special.2009.06.17

"By twenty twenty-five, we expect new spacecraft designed for long journeys to allow us to begin the first-ever crewed missions beyond the moon into deep space.

VOA: special.2011.07.18

I'm Shirley Griffith. Listen again next week to the second part of the story of the Mercury program that took the first American astronauts into space.

VOA: special.2009.06.10

Also this week, the country launched its first Iranian-made satellite into space.

VOA: special.2009.02.07

He was the first American to be launched into space.

VOA: special.2010.02.28

Its major goal: sending the first Americans into space.

VOA: special.2009.06.10

She is a chemical engineer, a medical doctor,a college professor, and in 1992, was the first African-American woman astronaut to go into space.

VOA: standard.2010.03.26