noun 下载 🔗分享 掺杂剂，掺杂物 A substance added in small amounts to a pure material, such as semiconductor, to alter its original electrical or optical properties; a doping agent Examples : "Adding a dopant like phosphorus to silicon dramatically increases the silicon's ability to conduct electricity. " 在硅中加入像磷这样的掺杂剂，可以显著提高硅的导电能力。 material substance chemistry physics electronics technology 与AI对话词汇游戏阅读练习
