It's very rare to see an unabbreviated ordinal number in a written date.

我们非常常这种写法当我们在写整个日期时候。

And fiftieth is the correct way to write the ordinal number.

而 fiftith 才是序词正确写法。

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，那么这时序词像是第二，第五，为冠词使。

We use ordinal numbers to see which comes first.

当我们看是哪个先时候，使序。

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

最后，你可能还会听到序形容词。

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

但是在奥运会上，序才是最重要。

All of the other ordinal numbers end in a TH.

所有其他以TH结尾序词。

Ordinal numbers are numbers that show the order of things.

序词表示是事物顺序。

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

序代表事物顺序--想想奥运会获胜者顺序。

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

奥运会上最重要三个序号是第一、第二和第三。

You'll see a number up here, it'll be an ordinal number.

大家会看到字出现在这里，它会是一个序词。

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

序可以充当名词、形容词或副词。

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

你将了解如何使序词和句子成分述比赛和结果。

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，我们使序号来展示这些词性。

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

序是与奥运会相关一个重要语法领域。

Notice that I used in ordinal number, eighth.

请注意， 我在序中使了第八个。

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

这些序对于谈论今天日期是必要。

One type of transition signal is ordinal numbers. Listen.

一种类型转换信号是序。 听。

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

序为第一、第二、第三、第四等。

" Second" is what we would call an " ordinal (ordinal) number."

“第二” 就是我们所说“序（ordinal）” 。