tropical depression

短语

词形变化

tropical depressions 复数 tropical depressions

释义与例句

n.
  1. 1.

    An organized low-pressure system of thunderclouds with closed surface circulation and maximum sustained winds of less than 34 knots (63 km) per hour.

    气象

    Janice was a tropical depression 10 days ago, a tropical storm 5 days ago, and a hurricane yesterday and today.