Metcolizing
铸铁表面(喷)渗铝法
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
Don't you have anything better to do?
你没别的事好做吗？
Among the rubbish, I found a sign which said, 'Anyone who leaves litter in these woods will be prosecuted!'
“凡在此树林里丢弃垃圾者，将依法处置。