名词
中文翻译：假块
同义词：
['dummy', 'facsimile', 'substitute']
例句：
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1.The engineer used a dummy block to simulate the robot's movements during testing.
工程师使用一个假体来模拟机器人在测试期间的动作。
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2. The dummy block was designed to mimic the real thing in order to prevent accidents.
这个假体被设计成模仿真实物体，以防止事故。
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3.The dummy block was used as a teaching tool for children to learn about engineering concepts.
这个假体被用作教学工具，让孩子们学习工程概念。