Maraging
马氏体时效处理; 高强度热处理
🗣️ 情景例句
A special place for special people.
这是为特殊人物而设的特别地方。
After dinner sit awhile,after supper walk a mile.
正餐以后，休息片刻；晚餐以后，步行一哩。
It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day.
它们一年中消灭了多少昆虫，我们简直无法猜测，它们是吃不饱的动物，不满意一日三餐。