land air water的污染源 影响
land air water的污染源 影响
用英语!在写 The first type is
The second type is
The third type is
My suggestion to help reduce pollution is
用英语!在写 The first type is
The second type is
The third type is
My suggestion to help reduce pollution is
赞 fghfhfh666 春芽
共回答了15个问题采纳率：93.3% 举报
The first type is industrial poison chemicals
The second type is toxic smoke
The third type is life waste
My suggestion to help reduce pollution is building up the concept of protecting environment
The second type is toxic smoke
The third type is life waste
My suggestion to help reduce pollution is building up the concept of protecting environment
1年前
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你能帮帮他们吗