First of all, I would like to declare that the content of this article refers to the ninth edition of the Oxford Advanced Learner's Dictionary. Knowledge points are added after searching the data. The content is words, phrases and example sentences. Although it is classified as being over 18 years old (because there is no appropriate grouping), readers of any age can learn it. If you find errors in the book while watching and studying, you are very welcome to correct them. You can also give me more opinions or personal knowledge points that can be added to the book.
Intention: communicate and learn with everyone (crossed out), the author writes his own notes