名词
中文翻译：九灯指示器
同义词：
['Nine Light Indicator', 'Nine-Light Indicator例句：1. The nine light indicator on the wall is very useful for nighttime reading.（墙上的九灯指示器对于夜间阅读非常有帮助。）2. The engineer used the nine light indicator to guide the construction workers.（工程师使用九灯指示器来指导建筑工人。）3. The nine light indicator helped the driver to avoid obstacles in the dark.（九灯指示器帮助司机在黑暗中避开障碍物。）']
例句：
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1. The nine light indicator on the wall is very useful for nighttime reading.
墙上的九灯指示器对于夜间阅读非常有帮助。
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2. The engineer used the nine light indicator to guide the construction workers.
工程师使用九灯指示器来指导建筑工人。
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3. The nine light indicator helped the driver to avoid obstacles in the dark.
九灯指示器帮助司机在黑暗中避开障碍物。