The current main gantry at Wallops Flight Facility, this is Pad 0 B.目前主要在沃洛普斯龙门飞行设施, 这是垫0B大小.These are scale models of some of the balloons that are designed at Wallops Flight Facility.这些是我们现时从沃洛普斯气球飞行设施设计一些比例模型....
I was a little breathless and my heartbeat was bumpy and fast...我有点儿喘不上气，心脏咚咚地快速跳动着。Experimenters have succeeded in controlling the rate and regularity of the heartbeat.实验者已经成功控制了心跳的速度和频率。Each heartbeat has two basic par...
The meeting has the potential to be a watershed event.这次会议有可能成为具有转折性的事件。Tonight could prove to be a watershed for the international career of Barnes.今晚将可能成为巴恩斯国际职业生涯的转折点。The meeting has the potential to be a watershed ev...
1875年,来自东部的拓荒者在这个地区定居下来.Pioneers from the East settled in this region in 1875.约翰. 肯尼迪为新拓荒者精神的典型人物.John F . Kennedy typified the new frontier spirit.《拓荒者》引出了库珀笔下最有名的两个人物.The Pioneers introduced Coopers two best - known cr...