Corundume
氧化铝
🗣️ 情景例句
One week after I have submitted my resignation paper.
在我提交辞职信一星期后吧！
Give me the rocket and boat, and I'll give you a sucker.
把那火箭和快艇给我，我就给你棒棒糖。
A recent article in a weekly newspaper, for instance,
例如，最近一家周报刊登了一篇文章，