名词
中文翻译：主轴线
同义词：
['main axis', 'principal line例句：1. The main axis of the planet is the rotational axis around which the planet rotates.（行星的主轴线是围绕其旋转的轴。）']
例句：
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1. The main axis of the planet is the rotational axis around which the planet rotates.
行星的主轴线是围绕其旋转的轴。
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2.The main axis of the building is the central pillar that supports the roof.
建筑的主轴线是支撑屋顶的中心柱。
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3. The main axis of the sculpture is the central point where the two pieces meet.
雕塑的主轴线是两个部分交汇的中心点。