英语词汇学
Lexicology is a branch of linguistics, inquiring into the origing and meaning of words(WNWD). English lexicology aims at investigating and studying the morephological structures of english words and word equivalents, their semantic structures, relations, historical development, formatain and usages
Empty words---As their chief function is to express the relation between notions, the relation between words as well asbetween sentences, they are known as form words.
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