The men were cleaning all the pollution off the shore.
人们在清除海滩上的污染物。
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。
应用推荐