单词	froth
释义	noun | verb frothfroth1 /frɔθ/ noun Etymology ETYMOLOGYfroth1 Origin: 1300-1400 Old Norse frotha 1 [singular, uncountable] a mass of small bubbles that form on top of a liquid:  Skim the froth off the top of the melted butter.2[singular, uncountable] small, white bubbles of saliva around a person’s or animal’s mouth3[uncountable] words or ideas that are attractive, but have no real value or meaning:  The play is an enjoyable bit of holiday froth. noun | verb frothfroth2 verb [intransitive] Verb Table VERB TABLE froth Simple Form Present I, you, we, they froth he, she, it froths Past I, you, he, she, it, we, they frothed Present perfect I, you, we, they have frothed he, she, it has frothed Past perfect I, you, he, she, it, we, they had frothed Future I, you, he, she, it, we, they will froth Future perfect I, you, he, she, it, we, they will have frothed Continuous Form Present I am frothing he, she, it is frothing you, we, they are frothing Past I, he, she, it was frothing you, we, they were frothing Present perfect I, you, we, they have been frothing he, she, it has been frothing Past perfect I, you, he, she, it, we, they had been frothing Future I, you, he, she, it, we, they will be frothing Future perfect I, you, he, she, it, we, they will have been frothing Collocations COLLOCATIONS► frothing at the mouth  Hal and his friends played Frisbee with the dog until she was frothing at the mouth. 1be frothing at the mouth informal to be extremely angry or excited about something:  She was frothing at the mouth when we finally got back.2if a liquid froths, it produces or contains a lot of small bubbles on top:  The beer frothed as he opened the can.3if someone’s mouth froths, saliva comes out as a lot of small white bubbles:  Hal and his friends played Frisbee with the dog until she was frothing at the mouth.
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