名词
中文翻译：分裂的圆
同义词：
['split circle', 'divided circle']
例句：
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1.The circle was divided by the line drawn on the board.
圆圈被黑板上画的线分成了两部分。
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2. The two circles are intersecting at a right angle.
这两个圆相交成直角。
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3.The teacher drew a circle on the blackboard and asked the students to draw their own.
老师在黑板上画了一个圆，让学生们自己画一个。