the old industrial bases

• 老工业基地

the old industrial bases的用法和样例：

例句

1. The ancient city has now turned into a modern industrial base.
   现在这座古老的城市已变成一个现代化的工业基地。
2. Facing the new development, the clarion of revitalizing the old industrial bases is inspiring.
   面向新的发展，振兴吉林老工业基地的号角催人奋进。