column elavator

例句：

1. 1. The column of smoke rose high into the sky.
   烟雾柱升腾到高空。
2. 2. The column of books in the library is enormous.
   图书馆里的书柱非常庞大。
3. 3.The column of soldiers stood at attention as the flag was raised.
   士兵们列队站立，随着军旗升起。