'房子'这个词是一个名词。
The word 'house' is a ___noun.
在句子'I have a dog'中,'dog'这个词是一个名词。
In the sentence 'I have a dog', the word 'dog' is a ___noun.
在句子中,名词通常用来指代人、地点或事物。
In a sentence, a ___noun usually refers to a person, place, or thing.