There were 8 capital English letters in each circle , which formed three homocentric circles.
刺激材料是随机选取的大写英文字母,组成大 、 中、小3个同心圆圈.
互联网
The bubbles of time drops . These homocentric bubbles and drops breathe and fragrant air.
钟表似的同心圆,悠悠飘荡的气泡,细润清新的气息.
互联网
"concentric rings"