解释英语句子（挺多的,耐心点）they see how water is stored and cleaned for drinking.they also learn that everything people do to the land can affect how clean the water is.students are given chance to practice how to protect the envirome
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解释英语句子（挺多的,耐心点）they see how water is stored and cleaned for drinking.they also learn that everything people do to the land can affect how clean the water is.students are given chance to practice how to protect the envirome
解释英语句子（挺多的,耐心点）
they see how water is stored and cleaned for drinking.
they also learn that everything people do to the land can affect how clean the water is.
students are given chance to practice how to protect the enviroment.
they work as volunteers to examine the water quaily.
they analys what affect the water quality and write their findings in a report.
解释英语句子（挺多的,耐心点）they see how water is stored and cleaned for drinking.they also learn that everything people do to the land can affect how clean the water is.students are given chance to practice how to protect the envirome
他们水如何为喝被储存而且清理.
他们也了解每件事物人们对土地做能影响如何清理水是.
学生被给机会练习该如何保护环境 .
他们从事志愿者的工作码头调查水污染.
他们影响水质量,而且写一项报告的他们调查结果.