Merriam Webster: The official Webster's website is the world's best professional dictionary, the world's all-Way dictionary, with absolutely standard pronunciation, useful for correcting pronunciation.

Webster's dictionary is a dictionary based on "Merriam-Webster" is a series of dictionaries, usually abbreviated as (M-W). Webster's is an American dictionary, which is equivalent to the Chinese Xinhua Dictionary in terms of authority. The English explanations of words in Wayside dictionaries can help candidates understand the precise meaning of words while avoiding being misled by some Chinese explanations.