I am fully aware that I am speaking to an audience in a country that has been at the vanguard of environmental protection, and the cutting edge of technology development and application.

我很清楚，德国位于环境保护最前沿，拥有最尖端的技术开发和应用能力。

youdao

I am fully aware that I am speaking to an audience in a country that has been at the vanguard of environmental protection, and the cutting edge of technology development and application.

我很清楚，德国位于环境保护最前沿，拥有最尖端的技术开发和应用能力。

youdao