kōng / qín / rén / yuán / qǐ / fēi / qián / yào / jiǎn / chá / ān / quán / shè / bèi / bìng / xiàng / chéng / kè / shuō / míng / zhù / yì / shì / xiàng

空勤人员起飞前要检查安全设备，并向乘客说明注意事项。

Flight crew must check the safety equipment before takeoff and explain the precautions to passengers.