We use ordinal numbers to see which comes first.

当我们看是哪个先的时候，使用序数。

But in the Olympic games, ordinal numbers are of central importance.

但是在奥运会上，序数才是最重要的。

Ordinal numbers are numbers that show the order of things.

序数词表示的是事物的顺序。

Ordinal numbers also can act as adverbs.

序数也可以充当副词。

All of the other ordinal numbers end in a TH.

所有其他以TH结尾的序数词。

Ordinal numbers can act as nouns, adjectives, or adverbs.

序数可以充当名词、形容词或副词。

When you're ordering things, so when ordinal numbers like second, fifth, are used as adjectives.

当你在给某些事物排序时，那么这时序数词像是第二，第五，作为冠词使用。

The three most important ordinal numbers in the Olympics are first, second, and third.

奥运会上最重要的三个序号是第一、第二和第三。

Ordinal numbers suggest an order of things – think the order of winners in the Olympics.

序数代表事物的顺序--想想奥运会获胜者的顺序。

Finally, you might also hear ordinal numbers used as an adjective.

最后，你可能还会听到序数用作形容词。

And when we talk about the Olympics, we use ordinal numbers for all of these purposes.

当我们谈到奥运会时，我们使用序号来展示这些词性。

Ordinal numbers are one important area of grammar that connects with the Olympics.

序数是与奥运会相关的一个重要语法领域。

" Ordinal numbers" put things in order.

“序数” 使事情井然有序。

You will learn how subjects such as ordinal numbers and sentence fragments help describe the events and results of the competitions.

你将了解如何使用序数词和句子成分述比赛和结果。

" twenty-third." All of these are examples of ordinal numbers.

，“二十二” ，“二十三” 。 所有这些都是序数的例子。

One type of transition signal is ordinal numbers. Listen.

一种类型的转换信号是序数。 听。

These ordinal numbers are necessary for talking about today's date.

这些序数对于谈论今天的日期是必要的。

The ordinal numbers are first, second, third, fourth and so on.

序数为第一、第二、第三、第四等。

These ordinal numbers can be used as adjectives to form phrases describing order.

这些序数可以用作形容词来构成描述顺序的短语。

Ordinal numbers, like fifth, sixth or eighth can be especially difficult to pronounce for non-native speakers.

序数，如第五、第六或第八，对于非母语人士来说尤其难以发音。