释义
n.
a scientific toy that was devised in the 19th century, consisting of a disc having a different picture on each of its two sides, these appearing to combine into one image when the disc is rapidly rotated
幻影转盘（１９世纪设计的一种科学玩具，在圆盘的两边各绘有一张不同的图片，当圆盘快速旋转时，会形成两边图片合并成一个图像的幻觉）。
another term for
同
词源
"early 19th cent.: from Greek