Presuperheating
(蒸汽的)預過熱
??? 情景例句
Mmm-hmm. Thanks.
嗯。謝謝。
When did you know the answer?
你什么時候知道答案？
Quick, turn the gas off. Cover the pan. Be careful!
快，把煤氣關上。蓋上鍋。小心！