powell /'pәuәl, 'pauәl/ 📖 中文释义 n. 鲍威尔(英国物理学家) 📘 English Definition(英文释义) n. English physicist who discovered the pion (the first known meson) which is a subatomic particle involved in holding the nucleus together (1903-1969) ← powel P 字母词表 powellamine →