Video Text:

The [?] sound. This is a vowel sound, a back vowel, which means it feels like it's coming from here in the throat, uh. It's very related to the [ɑ:] sound, the only difference being: ah, the jaw drops more. Uh is actually the sound that we use when we are thinking: uuuuhhhhhh... So as you can see, in American English it is an extremely neutral sound. To make this sound, the jaw drops just a bit and the tongue rests in the bottom of the mouth with the tip of the tongue touching the bottom teeth in the back. Uh, uh. Very neutral, very simple sound.
[?]是一個(gè)元音，是后元音，意思是這個(gè)音感覺(jué)像是從喉嚨這里發(fā)出來(lái)的。它與[ɑ:]音非常接近，唯一的區(qū)別是：發(fā)ah時(shí)，下巴下移得更多。Uh實(shí)際上是我們?cè)谒伎紩r(shí)發(fā)出的那個(gè)音：uuuuhhhhhh... 所以你可以發(fā)現(xiàn)，在美式英語(yǔ)中，它是一個(gè)極其含糊的音。發(fā)這個(gè)音時(shí)，下巴只需略微下移，舌頭放在口腔下部，舌尖輕觸下排牙齒的后面。Uh, uh. 非常含糊簡(jiǎn)單的一個(gè)音。

Sample words:

mother
母親

brother
兄弟

金鳳花

Sample sentence:

I love my younger brother, but sometimes he bugs me.
我喜歡我弟弟，但有時(shí)會(huì)被他惹惱。