"English words range from 1.7 million to 1 10,000. There is no exact answer to this question, because English is constantly changing with the development of the times, old words are constantly being eliminated and new words are constantly being born.

The most authoritative Oxford English Dictionary contains 630,000 words. It is said that 65,438+0,000 new words are born in English every year.

An average American college student knows about 30,000 words, and former Prime Minister Margaret Thatcher has a vocabulary of 30,000, which is rare in Britain. The vocabulary of ordinary people in English-speaking countries is above 6000. You need to master the word 149 16 to take the GRE exam.