Nicarbing
渗碳氮化
🗣️ 情景例句
OK. Good night.
好， 晚安。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
One of these men was found and he began to tell the story of this family group.
哈利在这些人中找到了一位，他开始谈起了这个家族的历史。