When I learn something new about English, I feel I' m getting better and more powerful.

每当我学到关于英语的新知识，我就感到更充实，更有力量。

youdao

and this is something I'm going to return to on Wednesday actually, behaviorists have provided powerful techniques for training, particularly for nonverbal creatures.

实际上我周三的时候会来讲讲这个，行为主义者们发明了,在训练非言语生物方面，非常有效的训练技术。

耶鲁公开课 - 心理学导论课程节选

It's really been a powerful tool in molecular biology because I might have a very small copy of a gene that I'm interested in and I can make enough copies that I can start to do something else with it.

这确实是分子生物学的一项利器,因为我可能只有,很少量的感兴趣的基因拷贝,而我可以马上制造出足够数量的复制品,能使我用作其他用途

耶鲁公开课 - 生物医学工程探索课程节选

"Roski's a powerful guy, and I'm not talking to you, "squeaked one competing developer before slamming down the phone.

FORBES: City of Greed

Hadfield's earnest voice and unique perch in space brings a moving immediacy to Bowie's verses, and when he sings, "I'm floating in a most peculiar way" while actually floating, it's a powerful moment.

CNN: Astronaut sings Bowie's 'Space Oddity' in zero gravity