a dry scab formed on the skin following a burn or cauterization of the skin
eschar详细解释
es.char n.（名词）A dry scab or slough formed on the skin as a result of a burn or by the action of a corrosive or caustic substance.焦痂：由烧伤或通过腐蚀或侵蚀物质作用而导致皮肤形成的干疤或死肉 来源：Middle English escare 中古英语 escare from Old French * see scar 源自 古法语 *参见 scar
