chang

例句：

1. 1.The river has been growing since the construction of the dam.
   自从建坝以来，这条河一直在增长。
2. 2. The company is expanding its operations in new markets.
   该公司正在扩大其在新市场的业务。
3. 3. The population has been increasing steadily over the past decade.
   过去十年里，人口稳步增长。