Etolizing
多孔粉末烧结零件电解覆层法
🗣️ 情景例句
You win, and I cook dinner for the entire family.
你赢了 我给全家做晚餐。
Who's the second?
下一位是谁？
I work in a middle school near here. I'm a teacher.
我在附近的一个中学教学。我是个教师。