Toupper
小写字母转换成大小字母
🗣️ 情景例句
They are taking initiatives to build up a digital government.
他们尝试打造数字化政府。
I'm afraid I've let myself get run-down. I've been working too hard.
我似乎弄坏身体了。最近太过劳累。
Yes, I've got the information for all the computers now.
是的，现在我已弄到了所有有关电脑的情况。