Foucault /fu:'kəu/ 📖 中文释义 n. 傅科(人名) 📘 English Definition(英文释义) n. French physicist who determined the speed of light and showed that it travels slower in water than in air; invented the Foucault pendulum and the gyroscope (1819-1868) ← Foubert's tests F 字母词表 Foucault pendulum →