名词
中文翻译：Unknown
同义词：
['compass', 'compass indicator', 'magnetic compass', 'magnetic needle', 'magnetic needle compass', 'magnetic needle indicator', 'magnetic needle system', 'magnetic needle system', 'magnetic needle instrument']
例句：
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1. The compass is an essential navigation tool for sailors.
指南针是水手们必备的导航工具。
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2. The compass needle points directly to the north.
指南针指针直接指向北方。
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3. The magnetic compass can be used in any location with a strong magnetic field.
磁指南可以在有强磁场的地方使用。