Marcomizing
不锈钢表面氮化处理
🗣️ 情景例句
When do you think we'll be through?
你认为我们什么时候能完毕？
They are looking forward to the summer vacation.
他们正盼望着暑假的来临。
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。