(bound form) machine; mechanism; (bound form) aircraft; (bound form) an opportunity; (bound form) crucial point; pivot; (bound form) quick-witted; flexible; (bound form) organic

airplane

cell phone; mobile phone

airport; airfield; (slang) service provider for Shadowsocks or similar software for circumventing Internet censorship

plane ticket; airline ticket

opportunity; chance; occasion

camera (abbr. for 照相机); at the opportune moment; as the circumstances allow

machine