puffing up is puff up's Present Participle

puff up

US 
UK 
  • un.喷出
  • Web上部平衡
Simple Present:puffs up  Present Participle:puffing up  Past Tense:puffed up  
un.
1.
喷出

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard