Aero Plane Flag的用法和样例：
- Jet engines are very powerful. Usually two, three or four are enough for an aero plane; but some big aircraft have six.
- The aero planes were flying upside down and doing other wonderwork.
- The aero plane capsized and fell to the ground
- Use in air conditioned environments, such as offices and aero planes, in hot climates or whenever you need a refreshing hydrating “pick me up”.