grumbling
01
抱怨的, 隆隆的
producing a low, discontented, or continuous sound
例子
As the storm approached, the grumbling thunder warned of impending rain.
随着风暴的临近，隆隆的雷声预示着即将到来的雨水。
The grumbling engine of the old car struggled to start in the cold morning.
旧车的咕哝引擎在寒冷的早晨难以启动。
Grumbling
01
抱怨, 牢骚
a complaint uttered in a low and indistinct tone
02
抱怨声, 咕哝声
a loud low dull continuous noise
