必须立即采取行动是污染的河流再度变清的翻译：Must take immediate action to be polluted rivers once again cleared 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Must take immediate action to clear polluted rivers again

Must take immediate action to be polluted rivers once again cleared

Must take the action is immediately the pollution rivers changes once again clear

Immediate action must be taken is polluting the river once again changed the

Must take immediate action to be polluted rivers once again cleared