Germany has world-class technology in the development of new energy and in environmental protection.
德国在新能源开发与环保技术方面处于世界领先水平。
Protection Degree:IP54, first class insulation.
防护等级：IP54，电器一级绝缘。
As you know, there will be a speech competition on environment protection between class One and our class.
大家都知道，一班和我们班之间将进行一场有关环保问题的演讲比赛。
As you know, there will be a speech competition on environment protection between class One and our class.
大家都知道，一班和我们班之间将进行一场有关环保问题的演讲比赛。
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