Fully pronounced, the word has the voiced TH, which I know is a tricky sound, the EH as in BED vowel, and the M consonant.

全念出来，个单字有浊TH ，我知道是一个难搞的单字。就如「bed」 母的EH ，还有M子。

So, in fact, all of these contain them what's called a dark L.

实际上，单词中的些 L 就是我们说的浊 L。

Let's start by thinking about the difference between two kinds of sound: some sounds are what we call voiced – if you pronounce “m” or “l” or “v” or “d” you make a sound in your throat.

有一类是我们称之为“发声”——浊，例如，你在念“m” 或者“l” 或者“v” 或者“d”的时候，你的喉咙会发出声。

Let's see some other voiced consonants and examples.

让我们看一些其他的浊和例子。

But there is a little technique I'm going to teach you later on in this lesson to make it a little bit easier to pronounce the voiced TH when you're speaking fast.

但是在节课的后面，我将教你一个小，让你在快速说话时更容易发浊 TH。

He invoked the word in the 1950s mostly in homage to linguists like Roman Jakobson, who had posited binary opposites (voiced and voiceless elements) as the building blocks of language.

他在1950年代使用个词的时候，主要是为了向罗曼·雅各布森（认为语言是由清和浊种二元对立的元素所构成）一样的语言家致敬。

Another way to detect a lobar pneumonia, though, is to look for dullness to percussion which suggests that there's a lung consolidation.

另一种检测大叶性肺炎的方法是叩诊浊，表明有肺实变。

An interesting thing about liaisons is that so much of it has to do with whether a consonant is voiced or not.

关于连的一个有趣现象是它与一个辅是否是浊有很大关系。

It's a voiced sound so you should get the tickle on your tongue, that vibration when you make this sound.

是一个浊，所以当你发个时，舌头上应该会有痒痒的感觉，有一种振动的感觉。

But consonant sounds of American English can differ from each other in another very important way: voicing.

发浊。

So if I add a Z sound, it'll turn the previous consonant to a voiced consonant.

所以如果我加一个/z/，它会把前面的辅变成一个浊。

Voicing is about whether there is a vibration in the vocal chords.

发浊指的是声带是否震动。

Now we are going to look at the voiced TH sound.

现在我们来看看浊 TH。

If the first consonant is voiced, the next one will be as well.

如果第一个辅是浊，那么下一个也会是浊。

So here's the thing, English doesn't like it when there are two consonants one after the other when one is voiceless and the other one is voiced.

事情是样的，英语不喜欢有个辅连在一起，一个是清，一个是浊。

But bear in mind that if the L comes before a consonant like in 'melt', 'felt', 'miles', and 'files', then it should be dark.

但要记住，如果 L 出现在一个辅之前，例如 melt，felt，miles，还有 files，那么它就是浊的。

We call that voicing and if you put your hand on your throat when you say those sounds, you can feel vibrations.

我们把一类发称之为——浊（会发声），念些的时候，如果你把手放在喉咙，是可以感觉到振动的。

Classically, a pleural effusion will cause decreased breath sounds, dullness to percussion, which is tapping, on the back, and decreased tactile fremitus.

典型的胸腔积液会导致呼吸减少，背部叩诊浊，触觉语颤减弱。

It's a bit uncommon to have the voiced TH sound at the end of words but it does happen.

末尾发浊 TH 的词不常见，但确实会有。

Now as I mentioned, there are two 'th' sounds, a voiced sound and an unvoiced sound.

正如我之前所说，“th”有种发，一种是浊，一种是清。