We should continue our efforts to prevent and control pollution and protect the ecological environment.
应该继续努力防止污染，控制污染，保护生态环境。
It is in great requirement to control marine pollution and protect marine ecological environment.
控制海水污染，保护海洋生态环境迫在眉睫。
Pollution control and environment cleaning become the most important task in contemporary society.
防治污染、净化环境是当今社会的重要课题。
Pollution control and environment cleaning become the most important task in contemporary society.
防治污染、净化环境是当今社会的重要课题。
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