勒索者的可恶之处在于他一开始往往是从事实入手的。The nasty thing about a blackmailer is that his starting point is usually the truth.勒索者企图向他勒索一大笔钱.The blackmailer tried to extort a large sum of money from him.勒索者把他的钱榨得一乾二净.The blackmailers bled ...
压缩空气的喷吐使飞机的左右和前后都能保持稳定。Jets of compressed air gave the aircraft lateral and directional stability.气压中心后移使飞机失去平衡。The centre of pressure moves rearward and the aeroplane becomes unbalanced.飞行员的确设法使飞机升空了。The pilot did manag...