a perpetual motion machine中文,a perpetual motion machine的意思,a perpetual motion machine翻译及用法
2025-06-25 21:58浏览次数 3
a perpetual motion machine
永动机
a perpetual motion machine 例句
英汉例句
charles redheffer raised large sums of money in philadelphia with a perpetual motion machine and then took it to new york in 1813, where hundreds paid a dollar each to see it.