分析词义:"Growl" 是一个英语单词，用做动词时，表示“低声咆哮”，就像动物，尤其是狗，发出低沉的威胁声。也可以被用来描述人在生气或者沮丧时发出的咆哮声。用作名词时, "growl" 指的是这种低沉仿佛咆哮的声音。

列举例句:

词根分析:"Growl" 的词根是 "-growl", 这是一个拟声词根, 表示像咆哮的声音。

词缀分析:"Growl"没有前缀或后缀，它由词根 "-growl" 直接构成。

发展历史和文化背景:The word "growl" originated in Old English as "graul", which was used to imitate the sound of a dog.

单词变形:名词形式: Growl (咆哮声)动词:

• 现在式：Growl/ Growls
• 过去式和过去分词形式：Growled
• 现在分词: Growling相关短语或搭配：Growl at (对…咆哮)

记忆辅助:为了方便记忆，你可以联想到在你生气或者狗生气时发出的咆哮声,就容易记起"Growl"的意思啦。

小故事:Danny was in a bad mood, and when his little sister made a slight twitch, he seemed to growl in response. (丹尼心情不好，当他的妹妹稍微一动，他似乎咆哮起来。)