1.As a feasible alternative to fossil fuels,the new clean resources of energy can greatly reduce air pollution.
作为一种可行的化石燃料替代能源,新的清洁能源可以大大减少空气污染 。
2.The state of air pollution in some parts of China is clearly serious and a matter of great concern.
中国有些地方的空气污染状况显然很严重,人们对此十分担忧 。
n. 解答,解决办法,溶解,溶液