名词中文翻译
中文翻译：直线运动
同义词：
['linear motion', 'straight-line motion']
例句：
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1.The car is moving at a steady speed along the straight line.
汽车沿着直线以恒定的速度行驶。
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2.The projector follows a straight line from one end to the other.
投影仪沿着一条直线从一端到另一端。
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3.The ship moved straight line across the ocean.
这艘船沿着直线穿过海洋。