“亲爱的旅客朋友们,欢迎您选成上城航空公司5d3633航班,本次航班由上城飞往京城。舱门即将关闭,请再次确认您的机票或登机牌。为了确保您的飞行安全,请将手机等电子设备调制飞行模式,或关闭电源状态。机上现已开启现金升舱扶物项目,如果您需要办理,请于客舱乘务员联系。稍后我们将为您播放安全须知录像,请留意观看。ladies and gentlemen,welcome aboard shangcheng airlines flight 5d3633,flying from shangcheng to jingcheng。the cabin door will be closed,please check your boarding passes again。to ensure your flight safety, please adjust the flight mode of your mobile phone and other electronic devices, or turn off the power state。the cash upgrade service is now available on board. if you need to apply, please contact the cabin crew. we will play the safety instructions video for you later, please watch”广播很快便响了起来。