拟声词，模仿咆哮的声音。

1. Acceleration is accompanied by a resonating growl from the gearbox.

变速箱随着加速传来一阵轰鸣。

2. The bear exposed its teeth in a muffled growl.

那只熊龇出牙齿，发出一声低沉的吼叫。

3. a low guttural growl

从喉咙里发出的低沉的吼声

4. I kicked the dog, which responded by growling / with a growl.

我踢了那条狗, 它便狂吠起来.

5. Each time I moved in her direction, a menacing growl rumbled in her throat.

我每次朝她那方向走, 她喉咙里就响起威胁的咆哮声.