A、
(拉下氧气面罩,罩在口鼻处呼吸)系好安全带。/pull down oxygen mask to cover your mouth and nose, Fasten seatbelt."
B、
请系好安全带(带好氧气面罩);紧急下降 ,紧急下降。/Fasten seatbelt(Put on oxygen mask;)emergency destent,emergency destent./
C、
坐在座位上,不要动/Remain seated,Don’t move
D、
系好安全带,不要动!/Fasten seatbelt Don'tmove!