Toupper
小写字母转换成大小字母
🗣️ 情景例句
What's the long buildings?
那座长形的建筑是什么？
Better poor with honour than rich with shame.
穷得光荣，胜过富得可耻。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：