maths book为什么加s
因为math是mathematics的缩写，所以maths book要加s。 例句 1. He can't grasp the basic concepts of mathematics. 他无法掌握数学的基本概念。 2. Mathematics was never my strong point. 数学从来不是我的强项。 3. I am sensible of the fact that mathematics is not a popular subject. 我知道数学课不受欢迎...