英国皇家飞行队和皇家海军航空部队合并,成立英国皇家空军.Royal Air Force was formed, by the amalgamation Royal Flying Corps and Royal Naval Air Service.各救助飞行队要在台风来临前保证飞机的安全 、 适航.Each rescue aviation corps must before the typhoon approaches assures a...
Megamalls and fast food restaurants line the highway system.公路系统沿线有大型商场和快餐店。The new system is still in the planning stages.新体系仍处于规划阶段。The volume of scheduled flights is straining the air traffic control system.定期航班的数量正让空...