In addition, there are round, square, cross, such as plane geometry.

此外，还有圆形、正方形、十字形等几何形状平面。

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With a t square in his hand. the teacher of geometry came into the classroom.

几何老师手拿一把丁字尺，走进了教室。

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With a t square in his hand. the teacher of geometry came into the classroom.

几何老师手拿一把丁字尺，走进了教室。

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