她被认为是现代科学的先驱之一。

She is recognized as one of the ___pioneers of modern science.

他是20世纪60年代末为摇滚音乐创作德语歌词的大胆先驱。

He was a bold ___pioneer in writing German lyrics for rock music during the late 1960s.

作为可再生能源技术的先驱，她的工作改变了整个行业。

As a ___pioneer in renewable energy technology, her work has transformed the industry.