air pollution [eə(r) pəˈluʃən]以下由轻松背单词网站提供
词组级别附加级基本释义空气污染参考例句Air pollution in the city had reached four times the acceptable levels.这座城市的空气污染程度曾高达可接受标准的四倍。There are many sources of air pollution;exhaust fumes,for example.空气污染有许多来源,例如废气。 推荐阅读 |