Degging
喷酸精洗(工艺)
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
These shoes are worn-out.They've lasted a long time.
这些鞋子旧了。已经用了很长时间了。
We're Ready To Place Our Order.
我们准备好下订单了。