English dictionary is a reference book often used by English learners, which is mainly used to query the pronunciation, meaning, usage, example sentences and other information of English words. The following are some common English dictionaries:

Oxford English Dictionary: The Oxford English Dictionary is an authoritative English dictionary published by Oxford University Press. It contains the most commonly used English words and phrases, and provides detailed vocabulary explanations, pronunciations, example sentences, etc. This is an indispensable reference book for English learners. Reference books.

Collins Dictionary: Collins Dictionary is an English dictionary published by Harper Collins Publishing House. It provides detailed vocabulary explanations and example sentences, paying special attention to the actual usage and context of vocabulary, and also provides grammatical and pragmatic information of vocabulary. This is a good reference book for English learners.

Webster's dictionary: Webster's dictionary is an English dictionary jointly published by meriam Webster Press and Oxford University Press. It provides detailed information such as vocabulary explanation, example sentences and etymology, as well as some commonly used phrases and idioms. This is a reference book commonly used by English learners.

Longman Dictionary of Contemporary English: Longman Dictionary of Contemporary English is an English dictionary published by Longman Company. It pays attention to the practicality and pragmatic meaning of vocabulary, provides detailed lexical explanations and example sentences, and also provides grammatical and pragmatic information of vocabulary. This is a good reference book for English learners.

An English dictionary is an indispensable reference book for English learners. Different dictionaries have different characteristics and advantages, so it is very important to choose a suitable dictionary according to individual needs.