Vocabulary:
English vocabulary is huge (about 990 thousand words), but to estimate the specific figures, we must first judge which words can be counted as it. However, unlike other languages, there is no authoritative academic institution to define what is a formal vocabulary. New words in the fields of medicine, science and technology are constantly emerging, some of which have entered the daily language of the public, and some are only used in a small range of people. Foreign language words brought by immigrant groups tend to blend into the English-speaking society. It is impossible to judge whether some ancient words and dialect words can be counted as English. Since the popularization of electronic computers, many words related to this category have entered the public life; In addition, many new words related to telecommunication technology are composed of affixes.
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