膏点灯的油；膏火灯火。借指求学的费用。
出处：清·霁园主人《夜谭随录》欲登第须理旧业读书，欲读书须膏火之费，吾视君皆未易办也。”
例句：无
本站使用 Cookie 等技术以提供基础功能、记住您的偏好并分析访问情况。继续浏览即表示您知晓并同意本站使用 Cookie。
This site uses cookies and similar technologies to provide core features, remember your preferences and analyse traffic. By continuing to browse, you acknowledge and agree to our use of cookies.