stagnancy

例句：

1. 1. The river has been in a state of stagnation for months.
   这条河流已经停滞了几个月。
2. 2. The economy is experiencing a period of stagnation due to the pandemic.
   由于疫情，经济正经历一段停滞期。
3. 3. The project has stalled due to lack of funding.
   由于缺乏资金，该项目已经停滞。