表示天气转凉的“七月流火”已退出了交际舞台,形容盛夏酷暑的“七月流火”却是大行其时。后者为何这么“火”?从造词的角度说,它与语汇发展的规律相符。德国语言学家洪堡特说过:“一种语言的词汇绝不应被视为一堆现成的、静止的材料。且不说新的词和词形会源源不断 The “July Stream of Fire”, which indicates that the weather turns cooler, has withdrawn from the communicative stage and the “July Stream of Fire”, which describes the summer heat, is a great move. Why is the latter so “fire”? From the angle of making poems, it is consistent with the development of vocabulary. Humboldt, a German linguist, said: "Words in one language must never be considered as a collection of off-the-shelf, static material, not to mention the endless flow of new words and expressions