词汇	cumulo stratus
释义	cumulo stratus n.层积云
随便看	airspace prohibited area airspace radar air space ratio air-space ratio airspace reservation air space reservation Airspace Reservation Coordination Office airspace reservation/restricted airspace airspace resource airspace restricted area airspace restriction airspaces air spaces air-spaces Airspace sector structure optimization air space sovereignty air-space sovereignty airspace stabilization airspace structure Airspace subcommittee Airspace Surveillance Station airspace tracking network Air Space Transportation Air Space Travel Research Organization airspace warning area