concretenouns,

樱桃老师"趣味语法课"— abstract & concrete nouns
樱桃老师"趣味语法课"— abstract & concrete nouns
樱桃老师"趣味语法课"— abstract & concrete nouns
樱桃老师"趣味语法课"— abstract & concrete nouns
nouns proper nouns common nouns concrete nouns abstract nouns