I am reading a very interesting book, which is about mathematics.
我正找我的数学书，我找不到了。
The program has classes that cover mathematics, physics, blueprint reading, and electronic theory.
项目课程包括数学，物理，绘制蓝图和电子理论。
The program has classes that cover mathematics, physics, blueprint reading, and electronic theory.
项目课程包括数学，物理，绘制蓝图和电子理论。
应用推荐