基本解释n.[昆]上表皮(指昆虫外表皮或外骨骼外部蜡质层)同根派生 英汉例句用作名词 (n.)Lower epidermis is covered by epicuticle hairs and the sunken stoma existed in lower epidermis.上表皮覆盖一层较厚的角质层，下表皮表面有表皮毛丛生。