gumming
名词 gumming:
ineffectual chewing (as if without teeth)
同义词:mumbling
动词 gum:
cover, fill, fix or smear with or as if with gum
同义词:gum
grind with the gums; chew without teeth and with great difficulty
同义词:mumble, gum
become sticky
同义词:gum
exude or form gum
同义词:gum