extension project

• 扩建工程

extension project的用法和样例：

例句

1. A first-class job was made of the new extension to the building.
   该大楼新扩建工程水平堪称一流。
2. Work on the library extension had to be set on one side while labor was diverted to more urgent projects.
   当劳力转向更紧急的工程时，图书馆的扩建工程只能搁置了。