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来源:雅诚德英语网
It has been said that in flying an aircraft, takeoff and landing are the two most difficult things.
据说在驾驶飞机时,起飞和降落是最困难的两件事情。
It has been said that in flying an aircraft, takeoff and landing are the two most difficult things.
据说在驾驶飞机时,起飞和降落是最困难的两件事情。