So long vowel sounds and short vowel sounds are important in English.

所以长元音和短元音在英语中是很重要的。

So it's almost like a vowel sound.

所以它（help中he的部分）几乎就像一个元音(/e/)。

The stressed vowel sound in that syllable is longer compared to the unstressed vowel sounds around it.

这个重读音节中的重读元音要读得比它前后的非重读元音更长一点。

A diphthong is a combination of two vowels which creates one vowel sound.

双元音是两个元音的组合，产生一个元音。

Vowel sounds are a good place to start.

元音是一个很好的出发点。

That's how I like to compare vowel sounds.

我喜欢用这样的方式比较元音。

And this is one of the long vowel sounds.

这是一个长元音。

In the word " flower" there are two vowel sounds.

“花”这个词有两个元音。

English has more vowel sounds than many other languages.

英语相比于其他语言有更多的元音。

Now here are some words which have this vowel sound.

这里有一些含有这个元音的单词。

Other vowel sounds have one mouth position, ee, for example.

其它元音只有一种口型，例如[i]。

There's a vowel sound at the end.

最后有一个元音。

It's the most commonly used vowel sound in British English.

它是英式英语中最常用的元音。

And then it's the 'ai' as in " my" vowel sound.

然后是“my”中的“ai”元音。

Great! Now something about this rule, it's about vowel sounds.

太棒了！有个关于元音发音的规则。

In contrast, vowel sounds involve very little narrowing in the mouth.

相反，发元音时口型一般不会变窄。

In " can't, " the vowel sound is never reduced.

在" can’t" 发音时，元音从来不弱读。

Diphthongs are normally made up of two vowel sounds.

双元音通常由两个元音组成。

It has the long vowel sound in this word.

这个单词里有一个长元音。

The word after 'war' begins with a vowel sound.

'War'后面跟的单词以元音开头。