homocentric

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.

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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.

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