The level of pollution in the river was falling. 这条河中的污染(P)物水平在下降。
Recycling also helps control environmental pollution by reducing the need for waste dumps. 对废弃物的回收利用能够减少对垃圾场的需求,从而也有助于控制环境污染(P)。
Stationary cars in traffic jams cause a great deal of pollution 交通堵塞中静止不动的汽车产生了大量污染(P)。
Building more motorways and bypasses will help the environment by reducing pollution and traffic jams in towns and cities 建造更多的高速公路和绕城道路能够减少城镇中的污染(P)和交通堵塞,有利于改善环境。
The problem of pollution arises along with the rapid development of industry. 随着工业的迅速发展,产生了污染(P)问题。