A disc lit by a stroboscopic light rotates.The disc is covered with a series of pictures which move in a spiral from the outer edge to the centre.是什么意思_A disc lit by a stroboscopic light rotates.The disc is covered with a series of pictures which move in a spiral from the outer edge to the centre.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句