"Rawdogging" is a TikTok trend where people, while on a plane, do nothing but stare at the seat in front of them or the flight path map — essentially, "undertaking an activity without preparation, support, or equip...
Deng joined the PLA Air Force in June 1984 and started training as(5)___ pilot at a flight college in Hebei province.After graduation,he began to take part in the PLA Air Force's selection of astronaut candidates and was fina...