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

其它元音只有一种口型，例如[i]。

First, let's take a look at the mouth position.

首先，我们来看一下口型。

Now both of these sounds use exactly the same mouth position.

这两个音嘴巴的位置是相同的。

Similar mouth position. Nose slightly different, but the eyes, eyebrows very different.

相似的嘴型，鼻子略微不同，但眼睛 、眉毛都非常不同。

They have the same tongue and mouth position but one uses air to make the sound, it's unvoiced.

它们的舌头和嘴的位置是一样的，但其中一个是不发音的。

What is really important here is that you have your mouth positioned correctly to make this sound.

这里重要的是你的嘴巴的位置要正确，才能发出这个音。

Generally, the unstressed version of a vowel or diphthong is more relaxed and doesn't take the full mouth position.

通常情况下，非重读的元音或双元音嘴唇更放松，并且没有完整的口型。

That means we change the mouth position.

这意味着我们改变嘴的位置。

Nothing. Nothing. Let's take a look at his mouth position for that sound.

没有什么。没有什么。让我们看一下他发出该声音时嘴巴的位置。

They were all bilaterally symmetrical basket-feeders, with their upward-facing mouths positioned at one end of their bodies.

它们都是双侧对称的篮子喂食器，嘴巴朝上， 位于身体的一端。

Notice the unnatural mouth position and dark eyes and shoulders will be off-kilter, arms, reaching, grabbing. Legs, limpy-skin, pale. This is a zombie.

驼背，步履蹒跚，张牙舞爪，肤色惨白，烂嘴巴，黑眼圈。

S and Z are a pair, they go together because they have the same mouth position, and S is unvoiced, and that's considered strong.

S 和 Z 是一组辅音，它们是一组是因为它们的发音位置是一样的，S 是清音，而且是一个强音。

The mouth position doesn't matter for the H, so you can get into the position for the next sound, in this case, the EH vowel.

嘴的位置对 H 无关紧要，所以你可以进入下一个声音的位置， 在本例中是 EH 元音。