gyro-compass
柯林斯词典
1. N a nonmagnetic compass that uses a motor-driven gyroscope to indicate true north 廻轉羅磐 (Sometimes shortened to gyro)[nautical]
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1. N a nonmagnetic compass that uses a motor-driven gyroscope to indicate true north 廻轉羅磐 (Sometimes shortened to gyro)[nautical]