pollutions

  • Web污染的种类
1.
污染的种类
1.了解污染的种类Pollutions):工业污染、农业污染、交通污染和生活污染。 2.掌握改善环境的做法: 1)保留绿地和林地,做到植树 …
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Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard