他无法掌握数学的基本概念。

He can't grasp the basic concepts of mathematics.

《牛津词典》

系列中的每卷探索了广泛的材料，解释数字系统的主要应用的基本概念，并讨论了它们对日常生活的影响。

Each volume in the set explores a wide range of material, explains the basic concepts of major applications of digital systems, and discusses the influences they have on everyday life.

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使用枚举类型的基本概念很简单。

The basic concept of using enumerated types is simple.

youdao

If the student hasn't mastered the basic concept, we will make sure that the grade scheme gives a failing grade.

如果学生没有掌握基本的概念，我们会确保,成绩将会不及格。

麻省理工公开课 - 固态化学导论课程节选

If a person has the basic concept down, regardless of numerical errors, if the person has the basic concept down, he or she must get at least five out of ten.

如果一个人有一些基本的概念，不管一些数字上的错误，如果他有基本的概念，至少都能够得到一半的分。

麻省理工公开课 - 固态化学导论课程节选

There's a zeroth law The zeroth law every one of these laws basically defines the quantity in thermodynamics and then defines the concept.

有第零定律,这些定律中的每一条都定义了,热力学中一个基本物理量的概念,第零定律定义了温度。

麻省理工公开课 - 热力学与动力学课程节选