捻转儿
词典teetotum：四方陀螺，手转陀螺。
1. 捻转儿
1. 小时候我们自己做过捻捻转儿，剪一个圆纸片儿，中间插个竹签做轴，一捻就转了。 In our childhood, we made wooden tops: cut out a round strip of paper, insert a bamboo stick as a shaft, twist it, and it will rotate at once.