Calefactor
发暖器
🔁 扩展释义
【医】 温暖器
🗣️ 情景例句
He had an emergency.
他有紧急事情。
Learn to walk before you run.
循序渐进。
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。