来自maximum,最大，-al,形容词后缀。

1. Every filter is contained in a maximal filter, called ultrafilter.

每个滤子包含在一个极大的滤子里, 一个极大滤子称为一个超滤子.

2. Beijing zoo is the maximal zoo that I have visited.

北京动物园是我所参观过的最大的动物园.

3. This boy is that age is maximal among all boys.

这个男孩是所有男孩中年龄最大的.

4. They help us to be maximal encouraging to us.

他们来帮助我们对我们是个极大的鼓舞.

5. She obtained maximal benefit from the course.

她从该课程中获益极大.