gumming

名词 gumming:

1. ineffectual chewing (as if without teeth)
   同义词：mumbling

动词 gum:

1. cover, fill, fix or smear with or as if with gum
   同义词：gum
2. grind with the gums; chew without teeth and with great difficulty
   同义词：mumble, gum
3. become sticky
   同义词：gum
4. exude or form gum
   同义词：gum

1. By gum!
   我向上帝发誓！
2. He likes chewing gum.
   他喜欢嚼口香糖。