tethered balloon造句怎么写

Watson said the team will be especially concerned with how the pipe and tethered balloon or balloons will behave in different types of weather systems.

The test results indicated that the method of tethered balloon self-destruction controlled by pressure is viable.

The study dismisses another blimpish idea, though: that of pumping sulphurous chemicals up a long pipe held aloft by a large tethered balloon.