Nitempering
气体软氮化; 氮回火
🗣️ 情景例句
Financial security, that's what it's all about.
家庭财政状况无忧，这就够了。
Let's get together one of these days.
找一天聚聚。
Fish love swimming round the rocks and through holes in them.
鱼喜欢绕着岩石和穿石洞游水。