名词
中文翻译：装置
同义词：
['appliance', 'instrument', 'machinery例句：1. The new device has been designed to improve efficiency.（这款新设备旨在提高效率。）']
例句：
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1. The new device has been designed to improve efficiency.
这款新设备旨在提高效率。
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2.The scientist used a device to test the theory.
科学家使用了一种设备来测试这个理论。
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3. The engineer designed a device to control traffic flow.
工程师设计了一种设备来控制交通流量。