Mathfile
[计] 数学文件
🗣️ 情景例句
I went into business for myself
我当初自己开业
I'm the luckiest person in my class.
我是我的班级中最幸运的人。
When he received a very rude reply from one of the workmen.
其中一个工人粗鲁地回了几句。