1. The city has become overpeopled with the rapid influx of migrants.
这座城市因大量移民的迅速涌入而变得人口过剩。

2. The overcrowded school is overpeopled with students, making it difficult for teachers to provide individual attention.
这个拥挤的学校因为学生过多而变得人满为患，使得教师难以提供个体化的关注。