某一地区或群体的人口数量随时间减少。
先理解核心含义，再看它在真实句子里的用法。
某一地区或群体的人口数量随时间减少。
A decrease in the number of people living in a particular area or group over time.
The country is experiencing a significant population decline.
该国正在经历显著的人口下降。
某一地区或群体的人口数量随时间减少。
A decrease in the number of people living in a particular area or group over time.
Use population decline naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.