名词
1. (飞机的)起飞,升空
Takeoff is the beginning of a flight, when an aircraft leaves the ground.
2. (对某人动作的滑稽)模仿
A takeoff of someone is a humorous imitation of the way in which they behave.
3. (经济、生意等的)开始腾飞,迅速发展
Takeoff is the point in the development of something, such as an economy or a business, when it begins to be successful.