math portal造句
例句與造句
- It's as if, in the field of maths, there were articles that covered a bit of integration, others that covered differentiation, many different pages on methods of solving differential equations, and yet more discussing div, curl and grad-but with no maths portal, and no article on calculus to show how these are related.
- It's difficult to find math portal in a sentence. 用math portal造句挺難的