人们在演讲者周围形成一个圆圈。

The crowd formed a circle round the speaker.

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而他的脚印形成两个圆圈，一个圆在另一个的里面。

The tracks of his feet, however, make two circles, one inside the other.

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而他的脚印形成两个圆圈，一个圆在另一个的里面。

The tracks of his feet, however, make two circles, one inside the other.

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