tropical cycloneの意味・発音・イラスト

tropical cyclone /tɹɐdˈɪʃənəl ˈmjuːzɪkəl ˈɪnstɹəmənts/ n

意味：Low-pressure zone that forms in the intertropical region and is marked by violent precipitation and swirling winds of 74 to 185 mph.