題組內容
3. 請用中文翻譯以下(a)到(e)有關“Diesel engine emissions”的敘述。
(e) Sulphur oxides are the major source of acid rain. They thus have detrimental effects on plant life, vegetation, human respiration and buildings. On the other hand, it has to be stressed that the effect of acid rain on the sea is in most cases negligible. This is because sea water is slightly alkaline.