电子课本网 第65页

第65页

信息发布者:
To/In order to prevent the kite (from) floating away
to start all over again

choose a better job
so specially
that they can travel at the speed of

It will serve as a flying taxi, a cargo carrier and an 
ambulance.
Because hydrogen fuel cells are lighter than 
batteries and they might also be less polluted to 
the environment.
there is 
still a long way to go before Skai meets FAA regulations/rules