Decarbidize
脱炭沉积, 脱焦炭
🗣️ 情景例句
No, thank you.
不， 谢谢 。
Sorry, I'm engaged.
对不起，我有约在先了。
It was beginning to get dark. I think we'd best stay the night here, I said.
天开始变黑。“我看我们最好在这里过夜，”我说，