Changjiang-Huaihe cy-clone

例句：

1. 1. TheChangjiang-Huaihecy-clone is a significant factor inthe climate patterns of the region.
   长江-淮河大涡旋是该地区气候模式的一个显著因素。
2. 2. The cy-clonehas caused severe flooding in several areas,affecting millions of people.
   这个大涡旋已经导致几个地区发生严重洪水，影响了数百万人。
3. 3. Due to the cy-clone, many flights have been canceledor delayed.
   由于大涡旋的影响，许多航班已经被取消或延误。