noun 下载 🔗分享 螺线管，电磁线圈。 A coil of wire that acts as a magnet when an electric current flows through it. Examples : "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。 electronics physics device machine technology electric 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "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。 electronics device machine technical physics energy material electric 与AI对话词汇游戏阅读练习
