Another rule for the indefinite articles " a" and " an" .

不定冠词“a”和“an”的另一个规则。

The indefinite article is a or an, a or an.

不定冠词是 a 或 an，a 或 an。

Otherwise, we would need an indefinite article which is not there.

否则，我们将需要一个不定冠词，而题目中没有不定冠词。

In the English language, there are definite and indefinite articles.

在英语中有定冠词与不定冠词。

And finally the word “this” is used instead of the indefinite article.

最后，单词this在句中代替了不定冠词的位置。

Plus my lesson from last week about the indefinite article.

此外，我上周的课程讨论的是不定冠词。

And finally the word “this” can be used instead of the indefinite article.

最后，单词this在句中代替了不定冠词的位置。

I talked about this a little in my last lesson about the indefinite article.

我在上一课关于不定冠词的内容中谈到了这一点。

So we also can't use it with an indefinite article.

所以我们也不能把它和不定冠词一起使用。

So, let's start with the easy one — the indefinite articles " a" and " an" .

我们从简单的开始——不定冠词 a 和 an。

In this idiom, we use the definite article " the" and not the indefinite article " a."

在这个习语中，我们用定冠词“the”，而不用不定冠词“a”。

The indefinite article helps us to talk generally about a noun.

不定冠词可以帮助我们笼统地谈论一个名词。

Lastly, we do not use the indefinite articles " a" or " an" with noncount or mass nouns.

最后，我们不使用不定冠词“a”或“an”与不可数名词或物质名词连用。

So you can't use it with an indefinite article a, and you can't make it plural.

所以你不能把它和不定冠词 a 连用，也不能把它变成复数。

Let's start with the basics. There are two indefinite articles.

让我们从最基础的开始吧。有两个不定冠词。

If " h" is not pronounced at the beginning of a word, the indefinite article " an" is used.

如果单词开头的“h”不发音，就用不定冠词“an”。

You see, the indefinite article a is already in the question and the answer is one word, teacher.

你看，不定冠词 a 已经在问题里了，答案是一个词，老师。

Rule number two: use the indefinite article to introduce something for the first time.

使用不定冠词来介绍首次出现的事物。

The indefinite article indicates that a noun refers to a general thing, a general idea, rather than a specific thing.

不定冠词表示名词指的是一般事物，一般概念而不是特定的事物。

In many languages the indefinite article is actually just the number one.

在许多语言中，不定冠词其实是数字一。