Ultralumin
超硬铝, 由尔特拉铝合金
🗣️ 情景例句
we'll surprise her.
我们再让她惊喜一下。
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
Let's get together again.
改天再聚聚。