word class

例句：

1. 1. The word "love" falls under the category of adjectives.
   “爱”这个词属于形容词。
2. 2. Different words have different word classes, which affects how they are used in sentences.
   不同的词有不同的词类，这会影响它们在句子中的使用方式。
3. 3. In English grammar, the word "class" refers to a group of people or things with similar characteristics.
   在英语语法中，“class”一词指的是具有相似特征的一群人或事物。