1. He spent hours playing with his gyrograph, creating intricate patterns on paper.
他花了几个小时玩着他的旋转画板，在纸上创造出复杂的图案。

2. The gyrograph is a popular toy among children for its mesmerizing patterns.
旋转画板因其迷人的图案在孩子们中很受欢迎。