对于现代化坦克或飞机,亦无有效的防御方法.There was no dependable defense against a modern tank or plane.他们用船(或飞机)把更多的军队运到埃及去.They embark more troops for Egypt.去问误了火车 、 汽车或飞机的人.Ask a person who has missed the train, bus or plane....
Jets of compressed air gave the aircraft lateral and directional stability.压缩空气的喷吐使飞机的左右和前后都能保持稳定。Dish aerials are highly directional.碟形卫星天线的定向性非常强。The length of the fuselage was increased due to a degree of directional ...