FAQs About the word grumbling

抱怨

a loud low dull continuous noise, a complaint uttered in a low and indistinct tone, continuous full and low-pitched throbbing soundof Grumble

抱怨,发牢骚,抗议的,无端担心,抱怨,咯咯作响,抱怨,不耐烦的,不宽容的,不妥协的

持久的,接受,经久不衰,病人,宽容的,愿意,宽容的,宽容,放纵的,长期遭受苦难的

grumbler => 抱怨者, grumble => 抱怨, grum => 阴沉, gruiformes => 鹤形目, gruidae => 鹤形目,