A severe tropical cyclone originating in the equatorial regions of the Atlantic Ocean or Caribbean Sea,traveling north,northwest,or northeast from its point of origin,and usually involving heavy rains.是什么意思_A severe tropical cyclone originating in the equatorial regions of the Atlantic Ocean or Caribbean Sea,traveling north,northwest,or northeast from its point of origin,and usually involving heavy rains.在线翻译_英语_读音_用法_例句