I realize the water level rising phenomenon of Qinghai Lake, understand the ecological position of Qinghai Lake, and understand the urgency and methods of conservation of water-soil resource.
英
美
释义
通过活动,我了解到青海湖水位上涨的现象,明白了青海湖的生态地位,知道了保持青海湖水土资源的迫切性及方法。
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