And prepositions are function words, which means they’ll generally be unstressed i n a sentence.

介系词是虚词，就是说在一句句子里被轻读。

There, you see a little bit of the tongue. Then the second syllable, unstressed.

你可以看到一点舌头。然后是第二个节，不是重。

Isn't the auxiliary verb usually stressed instead of unstressed?

难道不是助动词要重读而不要弱读吗？

We also use it with unstressed weak syllable sounds.

非重读弱节。

It's a very very relaxed vowel and it only appears in unstressed syllables.

是一个很放松元，只会出现在非重读节。

It is used in expressing unstressed central vowels, like in the word visible.

用于表达非重心元，如单词“visible”。

Often, unstressed vowels have a more relaxed lip position.

非重读元嘴型更放松。

This is because we don't take this much time for unstressed syllables.

这是因为非重读节时长非短。

So 'just' is unstressed, you just hear the schwa.

‘just’ 没有重读，你可以听到元。

There would be two weak beats or two unstressed beats between each strong beat.

会有两个弱拍或者说是非强拍存在于每个强拍间。

The first is unstressed the second is stressed.

第一个没有重读，第二个重读了。

It's a basic conjunction and it's frequently unstressed.

就是一个连词而且经弱读。

The day is always the unstressed part.

“day”总是轻松部分。

So the first syllable is super short unstressed quick neutral.

所以第一个节非短。

We've been looking at how we say these words when they're unstressed.

我一直在学习这些词在不重读情况下是如何说。

The important thing to know is how to say these words when they're unstressed.

重要是要知道如何在不重读时候说这些词。

Let's look at a few more examples of words that lose unstressed vowels.

让我再看几个略读了非重读元单词。

The first beat is unstressed and the second is unstressed.

第一个拍不重读，第二个拍不重读。

Other. Other. It’s usually stressed, but it can be unstressed.

是重读，可是也可以轻读。

And 'on you' unstressed, flatter in pitch, but no reductions.

而且 on you 非重读，高更平，但没有省。