1.As a feasible alternative to fossil fuels,the new clean resources of energy can greatly reduce air pollution.
作為一種可行的化石燃料替代能源,新的清潔能源可以大大減少空氣污染 。
2.The state of air pollution in some parts of China is clearly serious and a matter of great concern.
中國有些地方的空氣污染狀況顯然很嚴重,人們對此十分擔憂 。
n. 解答,解決辦法,溶解,溶液