小学知识库英语可以称为"elementary school knowledge base"。这个词组来源于英文"elementary school"，指的是小学，以及"knowledge base"，意思是知识库。
例句：
我们的小学知识库包含了语文、数学、英语和科学等多个学科的知识。
Our elementary school knowledge base includes knowledge from subjects such as language, math, Engpsh, and science.
学校里有一个网站，学生和家长可以通过它来查询小学知识库。
There is a website at the school where students and parents can access the elementary school knowledge base.
我们的小学知识库被用来帮助学生们学习和复习课程内容。
Our elementary school knowledge base is used to help students learn and review course material.