- 问题详情:Hehadbeenonalongflight.Thefirstwarningoftheapproachingproblemscamewhenthesignontheairplaneflashedon:“Fastenyourseatbelts.”Then,afterawhile,acalmvoicesaid,“Weshallnotbeservingthedrinksatthistimeasweareexpectingalittleturbulence(气流).Please...
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