名词
中文翻译:杠杆
同义词:
['handle', 'lever', 'fulcrum']
例句:
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1. The scientist uses a lever to lift heavy objects.
科学家使用杠杆来举起重物。
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2. The car is balanced on a fulcrum, which is the point of contact between two objects.
汽车在支点上平衡,这是两个物体接触的点。
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3. The engineer used a lever to adjust the height of the table.
工程师使用杠杆调整桌子的高度。