As a linguistic expert with a deep understanding of the English language, I am well-versed in the nuances of grammar and usage. Let's delve into the question at hand regarding the grammatical correctness of the word "hairs."

In English, the word "hair" can indeed be a bit tricky due to its unique usage in both singular and plural forms. The word "hair" is an uncountable noun, which means it does not typically take a plural form when referring to the collective hair on a person's head. When we talk about the hair on one's head in general terms, we use "hair" without an article. For example, "My hair is long" or "I need a haircut."

However, when we want to talk about individual strands or specific portions of hair, we can use "hair" in the plural form without an article, and it will require a plural verb. For instance, "There are several hairs on my sweater" or "I found a few hairs on the pillow." In these cases, "hairs" is the correct usage because it refers to more than one individual strand of hair.

The confusion may arise from the fact that "hair" does not follow the typical pattern of other nouns that have distinct singular and plural forms. But it is important to remember that "hair" as a collective noun remains singular, while "hairs" as individual strands or specific groups of strands is plural.

To summarize, the use of "hairs" is grammatically correct when referring to multiple individual strands or specific portions of hair, but it is not correct when referring to the hair on one's head in general. It is crucial to choose the correct form based on the context in which it is used.

Now, let's proceed with the translation of the explanation into Chinese.

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The word hair is usually used without article in singular number when it refers to all the hairs on one's head in general. But if it refers to more than one hair, a few hairs, then it takes the plural form without an article, and needs a plural verb. ... Apparently, hairs is not correct.read more >>