naked fire

• 明火

naked fire的用法和样例：

例句

1. The use of naked light and open fire is strictly prohibited.
   坚决不准用裸光和明火。
2. Breathing smoke from cooking stoves or open fire is a common cause for lung infections in developing countries.
   从做菜的炉灶或者明火中吸到烟，是在很多发展中国家引起肺炎的一个共同的原因。