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单词
grumble
释义
grumble
2
NOUN
/ˈgrʌmbl/
1
C
a minor complaint about something 抱怨；牢骚
My only grumble is that the system is a bit slow.
我唯一的抱怨是系统有些慢。
2
U
a low continuous sound 咕哝；轰隆声
the grumble of water pipes
水管的隆隆声