Corundume
氧化铝
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
I'm the darkest man in my team.
我是我的那一队伍中最黑的男人。
John had very good day and put his wallet containing $3,000 into the microwave oven for safekeeping.
有一天约翰的生意很好，他把一只装有3，000 英镑的钱包放进微波炉内保存。