自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT 泡；气泡 Bubbles are small balls of air or gas in a liquid.
Ink particles attach themselves to air bubbles and rise to the surface.
...a bubble of gas trapped under the surface.
N-COUNT 肥皂泡 A bubble is a hollow ball of soapy liquid that is floating in the air or standing on a surface.
With soap and water, bubbles and boats, children love bathtime.
N-COUNT （股票价值的）泡沫 A bubble is a situation in which large numbers of people want to buy shares in a company that is new or not yet financially successful, and pay more than the shares are worth. When it becomes clear that the shares are worth less than people paid for them, you can say that the bubble has burst.
Everyone is hoping that these hi-tech companies will turn out to be the Microsofts of the future. At the moment they look more like the focus of a speculative bubble...
When the development bubble burst, federal regulators started probing the balance sheets of the biggest banks.
N-COUNT （漫画中显示人物对白的）气泡框，圆框 In a cartoon, a speech bubble is the shape which surrounds the words which a character is thinking or saying.
VERB 冒泡；沸腾 When a liquid bubbles, bubbles move in it, for example because it is boiling or moving quickly.
Heat the seasoned stock until it is bubbling...
The coffeepot bubbled, filling the room with fragrance...
VERB 忙碌；活跃 If something bubbles, it is very busy or lively.
At the same time, the press bubbles with stories of the sale of Russian arms to Serbia...
The show bubbles like pink champagne with pretty sets, exquisite costumes and enchanting dance routines.
VERB 不断出现；滔滔不绝 A feeling, influence, or activity that is bubbling away continues to occur.
... political tensions that have been bubbling away for years
Rumours of financial scandals have come bubbling back to the surface...
VERB 滔滔不绝地说；洋溢着（某种感情） Someone who is bubbling with a good feeling is so full of it that they keep expressing the way they feel to everyone around them.
She came to the phone bubbling with excitement...
She came back bubbling with ideas.