unhealthy

2 篇文章
Unhealthy, overpopulated environment,
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Unhealthy, overpopulated environment, 不卫生 或人口过剩的环境中

overpopulated unhealthy environment
These wetlands were always seen as unhealthy expanses,
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These wetlands were always seen as unhealthy expanses, 这些湿地总被视为危险地带

unhealthy wetlands expanses always these seen as were
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