Mathematical system
[计] 数学系统
🧩 词语组成解析
🗣️ 情景例句
Come in, come in.
进来， 进来。
What courses will you be taking this semester?
你本学期打算修什么科目？
Fred realized that he had discovered an interesting and enjoyable way of making money.
弗雷德认识到，他已找到了一种既有趣又愉快的挣钱方法。