VOA慢速英语:印度尼西亚狮航一架客机疑坠毁

aviation – n. the operation of airplanes; the manufacture, development and design of airplanes

commission – n. a government or government-led agency

meteorology – n. the study of Earth's atmosphere, usually involving the weather and making weather predictions

turbulence – n. unusual or strange movements in the atmosphere, as seen in "up" and "down" air currents