美语听力练习素材:美军展示最大无人船
日期:2016-05-05
1.slow down 减速
例句：Before turning, you should slow down your car.
转弯前，你得先减速。
2.nautical mile 海里
例句：A nautical mile is one minute of latitude or 1.852 kilometers.
一个海里是一个纬度的一分或1.852公里。
3.solar-powered 太阳能的
例句：It is also equipped with cutting-edge technologies such as the solar-powered ventilation system.
同时第三代普锐斯还配有诸如太阳能通风系统的尖端技术。
4.touch down 着陆
例句：The plane touched down at 17:45 at Heathrow Airport.
飞机于17点45分在希斯罗机场降落。