名词
中文翻译：平衡
同义词：
['equilibrium', 'equilibrium', 'equilibrium']
例句：
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1. The scales on the scales are balanced.
天平上的砝码是平衡的。
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2. The teacher asked the students to balance their books on the desk.
老师要求学生们把书放在桌子上保持平衡。
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3. The weight of the objects is balanced by the force of gravity.
物体的重量由重力来平衡。