低音调

Stiffen your muscles, grab a telephone book, and begin to call out the names alphabetically in a stern, low tone in front of him.

绷紧你的肌肉，抓住电话簿里，并开始大声叫你的名字按字母顺序在斯特恩，低音调在他的面前。

The tonic pitch is played as a drone that runs throughout the performance.

主音音高作为一种低沉底音（低音调）奏出，在整个演奏中贯穿始终。

You can use the compressor tool to make the highs and lows a little closer so that the sound is good even from a tiny phone speaker.

您可以使用压缩器工具将高音和低音调的更相近一些，这样即使是小手机扬声器声音也会好听。

Now, you can stand and deliver in-tune notes at lower pitch that are clean and clear.

你可以站着弹奏准确、清楚的低音调，期待越来越多了吧！

sound, best heard with the stethoscope bell.

其音为低音调，用钟式听诊器听得最清楚。