It is a three-hour drive but can be reached by a 20-minute hop in a private helicopter.
这段路程开车需要3个小时，而乘坐私人直升飞机20分钟就可以到达。
It made a “flea hop, ” as the team called it, back in December when it lifted about three feet off the runway and flew less than a quarter mile.
去年十二月份试飞的时候，它只被抬升到了跑道上方三英尺的高度，总共飞了还不到四分之一英里，用研发人员的话来说，它只是完成了一趟“跳蚤蹦”。
Freight shipping schedules for trains leaving Detroit. He's flagged these three to Toronto tonight. Yasin may be about to hop a freight train for Canada.
离开底特律的集装箱火车时间表。他圈出了三个今晚开往多伦多的班次。亚辛可能会搭货车去加拿大。
When he lived in Switzerland, he and three of his friends formed a band, in which he sang hip-hop.
还在瑞士的时候，马菲奥和他的三个朋友组成了一个乐队，他在乐队里主唱嘻哈音乐。
New positioning techniques are needed. To implement a GPS-free and fixed-grids-independent three-dimensional positioning system is challenging in multi-hop wireless networks.
实现不依赖GPS和固定网络设施的三维定位，是多跳移动自组网络中具有挑战性的新课题。
New positioning techniques are needed. To implement a GPS-free and fixed-grids-independent three-dimensional positioning system is challenging in multi-hop wireless networks.
实现不依赖GPS和固定网络设施的三维定位，是多跳移动自组网络中具有挑战性的新课题。
应用推荐