Ultralumin
超硬铝, 由尔特拉铝合金
🗣️ 情景例句
What events are happening on campus?
校园里有什么事件发生？
Is meat packing a big industry in your country?
肉制品包装在你的国家是大产业吗？
Very well, thank you.
很好，谢谢您。