noun🔗Share螺线管，电磁线圈。 A coil of wire that acts as a magnet when an electric current flows through it."The car's starter uses a solenoid to push the engine's gears together when you turn the key. "启动汽车时，当你转动钥匙，启动机里的螺线管 (电磁线圈) 会推动引擎的齿轮，使它们啮合。electronicsphysicsdevicemachinetechnologyelectricChat with AIVocabulary GamePractice Reading
noun🔗Share螺线管，电磁线圈。 A mechanical switch consisting of such a coil containing a metal core, the movement of which is controlled by the current."The door to the classroom opened automatically when the teacher activated the solenoid. "老师启动螺线管开关后，教室的门自动打开了。electronicsdevicemachinetechnicalphysicsenergymaterialelectricChat with AIVocabulary GamePractice Reading
