pioneer

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.

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.

这位科学家是量子计算领域的开拓者。

This scientist was a ___pioneer in the field of quantum computing.