burn没有词源。
vt. 燃烧；烧毁，灼伤；激起……的愤怒vi. 燃烧；烧毁；发热n. 灼伤，烧伤；烙印His cheek burned with shyness.他的脸颊因害羞而发烫。Losing weight requires reducing calorie intake or burning calories.减肥需要减少热量摄入或者燃烧热量。This ointment has a wonderful effect on burns.这个药膏对灼伤有奇效。Don't try to do most of the work. Or you will burn out.不要试图做大部分的工作 否则你会用光力气的。
