He passed an electric spark through a mixture of gases.他让一束电火花穿过了一团混合气体。Some bright spark turned the heating off last night!某个聪明过头的家伙昨晚把暖气关了。His music lacked that vital spark of imagination.他的音乐缺少非常关键的那一点灵感。...
Routine physicals are done by a nurse.由一名护士做常规体检。I suggest you start thinking about careers with physicals?我建议你开始考虑与物理相关的职业.With hbordersolar physicals floating a olocatege New Year!祝好运、康健、佳肴伴你度过唯一的愉快新年....