现代英语词汇学概论最强版复习资料chapter9Chapter 9 Changes in Word Meaningn 9.1 Causes of Changes in Word Meaning n 9.2 Four Tendencies in Semantic Changen 9.3 Semantic Development or Change Resulting from the Figurative Use of WordsDefinition: Change of meaning refers to the alteration of the meaning of existing words, as well as the addition of new meaning to established words.9.1 Causes of Changes in Word MeaningA. Historical cause 历史原因It often happens that though a word retains its o
