Tod shook his head angrily and slung the coil of rope over his shoulder.
托德生气地摇摇头，把那圈绳索甩过肩头。
《柯林斯英汉双解大词典》
2
The chair reclines and has a padded headrest. It also has a touch-screen control panel and an electrical magnetic coil that is positioned on a precise spot on the patient's head.
Patients undergoing this treatment have a coil placed on their head which uses electromagnetic induction to activate weak electric currents via a changing magnetic field.