单词	bubble
释义	noun | verb bubblebubble1 /ˈbʌbəl/ ●●● S3 W3 noun [countable] Etymology ETYMOLOGYbubble1 Origin: 1300-1400 Probably from the sound of bubbles in liquid Collocations COLLOCATIONS► blowing bubbles  Grandma was blowing bubbles with the kids. ► bubble ... burst  The real estate bubble finally burst (=the successful period ended) last year. 1 a ball of air in liquid:  soap bubbles Grandma was blowing bubbles with the kids.2a small amount of air trapped in a solid substance:  Examine the glass carefully for bubbles.3a successful or happy period of time, especially in business:  Japan’s economic bubble in the 1980s The real estate bubble finally burst (=the successful period ended) last year.4 (also cartoon/speech bubble) a circle around the words said by someone in a drawing or comic strip5a transparent structure that has a round shape:  The plastic bubble surrounds the patient, preventing infection. → see also burst the/somebody’s bubble at burst1 (5) noun | verb bubblebubble2 ●○○ verb Verb Table VERB TABLE bubble Simple Form Present I, you, we, they bubble he, she, it bubbles Past I, you, he, she, it, we, they bubbled Present perfect I, you, we, they have bubbled he, she, it has bubbled Past perfect I, you, he, she, it, we, they had bubbled Future I, you, he, she, it, we, they will bubble Future perfect I, you, he, she, it, we, they will have bubbled Continuous Form Present I am bubbling he, she, it is bubbling you, we, they are bubbling Past I, he, she, it was bubbling you, we, they were bubbling Present perfect I, you, we, they have been bubbling he, she, it has been bubbling Past perfect I, you, he, she, it, we, they had been bubbling Future I, you, he, she, it, we, they will be bubbling Future perfect I, you, he, she, it, we, they will have been bubbling 1[intransitive] to produce bubbles:  When the pancakes start to bubble, flip them over.bubble up Oil was bubbling up to the surface.2[intransitive] to make the sound that water makes when it boils: bubble away The water was bubbling away on the stove.3[intransitive] (also bubble over) to be full of a particular emotion, especially excitement: bubble with Boyer bubbled with enthusiasm.4 (also bubble up) if a feeling or activity bubbles, it continues to exist and be noticed:  Their dislike of each other has been bubbling beneath the surface.
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