圆形图标，基于A3.1训练，用在A31。
触发词：circle icon, content in the circle icon,
可能有用词：simple background,
权重：1
将内容展现在圆内，总之会很圆。
circular icon, based on A3.1 training, used in A31.
Trigger words: circle icon, content in the circle icon,
Possible useful words: simple background,
Weight: 1
Displaying content in the circle will make it round.
1.5版本是我很久以前的，不清楚。
version 1.5 was a long time ago, I'm not sure.