Infections,smoking and using your voice too much, too loudly or just incorrectly can all cause hoarseness.

VOA: special.2009.09.02

The actual fluctuation of your voice isn't something that's taught, but what they teach you is how to pronounce the letters properly, and rules that go along with the letters.

你声音的起伏不是别人教的,但是他们教会你的是,字母的正确发音，以及这些诵读这些字母的规则。

普林斯顿公开课 - 人性课程节选

If you don't want your voice to be heard,

如果你不想发言，

对于义务投票制 - SpeakingMax英语口语达人

Or if you are trying to rest your voice but it keeps getting worse.

VOA: special.2009.09.02

So there is about between 12-16 rules that are there if you learn them, just naturally your voice will take in fluctuation and intonations. So I had the opportunity to learn actually here in New Jersey from people.

大概有12至16条字母的发音规则,如果你学习了，那么很自然地你的声音,就会有起伏和音调,我当时正好有机会在新泽西学习这个。

普林斯顿公开课 - 人性课程节选

If using your voice is difficult, then you know what dysphonia is.

VOA: special.2009.09.02

If you want your voice to be louder,

如果你想要你的言论更有分量，

对于义务投票制 - SpeakingMax英语口语达人

"Your voice can change the world,". "Your voice can elect John Corzine governor once again of New Jersey!

VOA: standard.2009.10.23

The land is described as a land where milk and honey flow, and if only you will obey the voice of Yahweh your God. This is the kind of language that's used here, and not so much in the other books.

应许之地被描述为流奶与密的地方，并且只要,你遵从了耶和华你神这种语言,仅仅被用在这里，而不是在其它几书中。

耶鲁公开课 - 旧约导论课程节选

But remember, depending on your tone of voice and the circumstances.

但记住，这个句型的意义取决于你说话的语气和所处的环境。

Do you ever课堂 - SpeakingMax英语口语达人

I was wondering if you'll be willing just to offer, I don't know if it's culty prayer, whatever you feel comfortable, maybe reciting just a few lines because I know your voice is exquisite.

你是否愿意为我们，我也不知道这是不是祷告，只要你觉得合适的，就为我们吟诵几句话可以吗,因为我知道你的声音非常的优雅。

普林斯顿公开课 - 人性课程节选