Preboiler
预热锅炉
🗣️ 情景例句
Harry! Michelle! Can you wait till I make a phone call?
Harry， Michelle，你们等一下让我打个电话好吗？
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
I don't know. I've got a headache and a cough.
我不知道。我头痛和咳嗽。