動詞 froth:

1. form bubbles
   同義詞：foam, froth, fizz, effervesce, sparkle
2. make froth or foam and become bubbly
   同義詞：froth, spume, suds

形容詞 frothing:

1. covered with or resembling small bubbles as from being agitated by beating or heating
   同義詞：bubbling, foaming, foamy, spumous, spumy, sudsy
2. producing or covered with lathery sweat or saliva from exhaustion or disease
   同義詞：foaming, foamy

1. The coco-cola frothed as it was poured out.
   可口可樂倒出來時泛起泡沫。
2. The beer frothed as it was poured out.
   啤酒倒出來時泛起泡沫。
3. The beer frothed up and overflowed the glass.
   啤酒冒起泡沫，溢出了玻璃杯。