constant grumbling 不断的抱怨
grumbling stomach 肚子咕咕叫
grumbling noise 低沉的噪音
A: What is that grumbling sound?
A：那是什麽隆隆声？
B: It is just my stomach grumbling.
B：只是我的肚子在咕咕叫。
1) 抱怨，发牢骚
2) 隆隆声，咕噜声
3) 肚子叫
1. 抱怨，发牢骚
2. 隆隆声，咕噜声
noun/adjective
1. Complaining in a low, unhappy voice, or a low, continuous, rumbling sound.
Synonym: complaining, murmuring, rumbling