Malcomising
不锈钢表面氮化; 氮化热处理
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
Poverty and love are hard to hide.
贫困与爱情，都难瞒过人。
Last Sunday we had a picnic.
上星期天我们去效游。