Ultralumin
超硬铝, 由尔特拉铝合金
🗣️ 情景例句
Yah, I have been here only two months.
是啊，我在这儿仅两个月。
I did it without much difficulty.
我没费多少劲就完成了那项工作。
There should always be exceptions to the rule.
凡事总有例外。