释义 |
tropical depression
tropical depressionn. A tropical cyclone having sustained surface winds of less than 39 miles per hour (34 knots; 63 kilometers per hour).tropical depression n (Physical Geography) Caribbean an area of heavy rains and winds, the first stage in the development of a possible hurricane tropical depression
tropical depressionA type of low-pressure area region with speeds up to 64 knots. It is normally an earlier stage of a tropical cyclone.AcronymsSeeTD |