Helen described life in a weightless environment during her period in space.

海伦描述了她身处太空时失重状态下的生活。

《柯林斯英汉双解大词典》

After a period of tests in space, this new satellite has started to work with other Beidou satellites together.

经过一段时间的太空测试，这颗新卫星已经开始与其他北斗卫星一起工作。

youdao

A new study found that inner-city kids living in neighborhoods with more green space gained about 13% less weight over a two-year period than kids living amid more concrete and fewer trees.

一项新的研究发现，在两年的时间里，与住在钢筋水泥更多、树木较少的社区的孩子相比，住在市中心有更多绿地的社区里的孩子，两年中增加的体重少了约13%。

youdao

No single space project in this period will be more impressive to mankind or more important for the long range exploration of space.

VOA: special.2009.07.08

What it also does, I believe, and rightly so, is that it gives David Trimble and the Ulster Unionist Party a space, a period of time during which they can protect themselves within their own party.

BBC: News Online

ScoreBig has established itself as a major player in the live-entertainment space in a short period of time.

FORBES: United MileagePlus Partnership Opens Vast Membership To Sporting And Entertainment Events

We project that Salesforce.com will increase its market share in the cloud computing space over our forecast period, from a relatively low current market share base.

FORBES: Salesforce.com Needs Greater Share Of Cloud To Justify $140 Price Tag