Nà / wèi / kōng / shào / miàn / dài / wēi / xiào / de / xiàng / chéng / kè / jiè / shào / le / ān / quán / xū / zhī

那位空少面带微笑地向乘客介绍了安全须知。

The flight attendant smiled as he explained the safety instructions to the passengers.