名词
中文翻译：槽轴
同义词：
['grooveaxis', 'axis groove']
例句：
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1. The machine'saxis of rotation is precisely aligned withthe gears.
这台机器的旋转轴与齿轮精确对齐。
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2. The axisof symmetry is the line that dividesthe two parts of a figure.
对称轴是分割图形两部分的线。
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3. The axisof rotation is the point around which theobject rotates.
旋转轴是物体绕其旋转的点。