原理
yuán lǐEnglish Meaning
principle; theory
HSK 6
00:02
师兄还推荐了一些 专业方面的书籍 你多看看
“Chen even recommended some professional books. Study them.”
“Principles of Accounting (Principles of Accounting) is an introductory textbook.”
这本是珠算的基础教材 加减乘除里面都有
“This one covers the basics of abacus calculation, like addition, subtraction, multiplication, and division.”
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