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- Limited Preliminary Flight Rating Test 有限的额定状态预先飞行试验
- Preliminary Flight Rating Test Engine 发动机额定状态预先飞行试验
- Prototype Preliminary Flight Rating Test 原型额定状态预先飞行试验
- Preliminary Flight Rating 预飞等级评定
- Article 7Flights shall be organised and conducted in line with the phases such as preliminary flight preparations, pre-flight preparations, execution of flight and flight debriefing. 第七条 组织与实施飞行，应当按照飞行预先准备、飞行直接准备、飞行实施和飞行讲评等阶段进行。
- Space shuttles are supposed to soar four more times in 2008, which would mean six missions for the year, a flight rate not seen since 2001. 航天飞机计划在2008年发射四次以上，这意味着今年有六次任务，这样的发射率自2001年以来从未见过。
- Preliminary Flight Certification 初级飞行证书,初级飞行执照
- Preliminary Flight Qualification Test 预飞资格测试
- Preliminary Flight Readiness Test 预飞准备情况测试
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- The flight to Accra goes twice a week. 飞往阿克拉的班机一星期开两班。
- The old woman fell down a flight of stairs. 那位老太太从一段楼梯上摔了下来。
- A flight of steps led up to the house. 一段台阶向上通到了屋前。
- He set his house on fire before he took to flight. 他逃跑前，放火烧了自己的房子。
- I'll make sure of the time of the flight. 我要核实一下这班飞机的时间。
- His room is approached by a flight of steps. 有一段台阶通向他的房间。
- A preliminary draft or record of a transaction. 条约草案合约的预备性的草案或纪录
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- The bandits, hearing steps, took to flight. 匪徒听到脚步声就逃跑了。
- This flight is routed to Chicago via New York. 这班机是经纽约飞往芝加哥的。
