学习外语，先从语音入手。

One begins a foreign language by learning the speech sounds.

各种语言的语音总在不断变迁。

The speech sounds of all languages are gradually but constantly changing.

我的语音信箱里有她含混不清的留言。

There was a garbled message from her on my voicemail.

我们学习了语音、重读和语调。

We worked on pronunciation, stress and intonation.

语音是由不同频率和强度的声波组成的。

Speech is made up of sound waves that vary in frequency and intensity.

进入“控制面板”双击“语音”图标就能看到所有的声音选项。

Go to Control Panel and double-click on Sounds for a list of sounds.

这些都是语音符号。

These are the phonetic symbols.

把“grandma”读成“grammar”是语音同化的一个例证。

“ Grandma ” pronounced as “ grammar ” is an example of assimilation.

我们系已经聘请了一位外籍老师作为语音顾问。

Our department has engaged a foreign teacher as phonetic adviser.