grumbling'^rʌmbliŋ英式朗读美式朗读基本解释a. 出怨言的;喃喃鸣不平的英文释义s. continuous full and low-pitched throbbing sound词形变化原形grumble复数grumblings现在分词grumbling上一个单词:grumbles下一个单词:grumblingly