In a previous video, we explored the to Africa.

在之前的視頻中，我們探討了對非洲。

It's or complex consonant sounds of American English.

它的或美式英語的複雜輔音。

They are, and we also explored voicing the movement of the vocal cords in previous videos as well, a quick reminder about Africa.

他們是這樣的，我們在之前的視頻中也探討了聲帶運動的聲音，也是關於非洲的一個簡單提醒。

It's in a previous video, I described Africa.

在之前的視頻中，我描述過非洲。

It's as being kind of like addition, one plus one equals two Africa.

這就像正在有點像加法，一加一等於二非洲。

It's are made up of a stop sound, followed by a Fricka tive sound.

它的是由一個停止的聲音，然後是一個Fricka tive的聲音。

Another way to think of this is stop sound, plus Frick.

另一種思路是止聲，加弗裡克。

Active sound equals Africa.

活躍的聲音等於非洲。

It so our first Africa.

它使我們的第一個非洲。

It consists of a sound followed by together they make.

它由一個聲音組成，然後他們一起發出。

Similarly, the sound starts with the stop sound and then moves to a frigate of sound.

同樣，聲音從停止的聲音開始，然後轉為聲音的護衛艦。

Together they make Jeff.

他們一起讓傑夫。

But there is another important difference between the two Africa.

但兩個非洲之間還有一個重要的區別。

It sounds of English voicing.

這聽起來像英語的聲音。

One big difference between, and jet is that is voiceless and is voiced.

和噴氣機有一個很大的區別就是，是無聲的，是有聲的。

In other words, when you make the sound, you should not feel your vocal cords move.

換句話說，當你發出聲音時，你不應該感覺到你的聲帶在動。

Sure, when you make the sound, you should feel your vocal cords move.

當然，當你發出聲音的時候，你應該感覺到你的聲帶在動。

Gee, let's end our video with a quiz.

嘖嘖，我們的視頻最後來個小測驗吧。

I'll give you two words.

我給你兩個字。

Can you tell which sound it is?

你能告訴我這是什麼聲音嗎？

Is it voiced or voiceless?

是有聲還是無聲？

Justice champion?

正義冠軍？

That's all for today.

今天就到這裡吧。

Keep up the good work.

繼續保持良好的工作。