Carburize
[建] 渗碳
🗣️ 情景例句
Do you have any suggestions?
你们有什么建议吗？
What is the color of your new book?
你的新书是什么颜色的？
Then the bees left the hive and went to the feeding place.
然后那些蜜蜂离开蜂箱，飞到喂食点去。