The term "mongoloid race" is an outdated and now considered offensive term that was used in the past to describe people of East Asian descent. It was part of an old classification system that divided humans into different races based on physical characteristics.
In summary, it is important to be aware that "mongoloid race" is an outdated and offensive term. As a learner of English, you should focus on more respectful and accurate ways to refer to different groups of people, emphasizing their culture, nationality, or ethnicity instead.