Intermediate learners of something have some knowledge or skill but are not yet advanced.
中级的Students are categorized as novice, intermediate, or advanced. 学生分为新生、中级生或高级生。
An intermediate is an intermediate learner.
中级生The ski school coaches beginners, intermediates, and advanced skiers. 滑雪学校训练初级、中级和高级水平的滑雪者。
Honestly, the harder classes that I'm in are intermediate microeconomics.
老实说,我现在上的更难的课程是中级微观经济学。
Elementary, Intermediate, Upper Intermediate English. 初级,中级,中高级英语。