Toupper
小写字母转换成大小字母
🗣️ 情景例句
Oh, Pete, Pete!
噢 Pete Pete
Early to bed and early to rise,makes a man healthy,wealthy and wise.
早睡早起，使人健康、富有而聪明。
Dan wondered why he was wanted by the police, but he went to the station yesterday and now he is not worried anymore.
丹奇怪警察为什么找他，但昨天还是去了，结果他一再担心了。