A schwa is a really reduced vowel sound.

即弱化音。

So it's almost like a vowel sound.

所以它（help中he的部分）几乎就像一个音(/e/)。

So we have lots of vowel sounds.

所以音的发音有很多种。

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

这个音节中的音要得它前后的音更长一点。

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

双音是两个音的组合，产生一个音。

This is one of the long vowel sounds.

这是一个长音。

Vowel sounds are a good place to start.

音是一个很好的出发点。

There's a vowel sound at the end.

最后有一个音。

It's just the vowel sound that changes.

只是音发生了变化。

It's the 'i' as in 'sit' vowel sound.

就像‘sit’这个词中‘i’的发音。

That's how I like to compare vowel sounds.

我喜欢用这样的方式较音。

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

在" can’t" 发音时，音从来不弱。

Diphthongs are normally made up of two vowel sounds.

双音通常由两个音组成。

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

“花”这个词有两个音。

English has more vowel sounds than many other languages.

英语相于其他语言有更多的音。

Basically, it's the same vowel sound.

和“BUR”的音基本相同。

Now here are some words which have this vowel sound.

这里有一些含有这个音的单词。

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

其它音只有一种口型，例如[i]。

So technically here I'm linking two vowel sounds together.

严格地说，我在将两个辅音连起来。

How these vowel sounds are literally built into your body.

这些音是如何真正融入你的身体的。