This nebula is a bubble, and it's a bubble because intense blasts of stellar wind and radiation for a nearby star have cut through the dust and hollowed out the middle.
此星云呈泡沫状，之所以如此，是因为附近一颗恒星发生剧烈爆炸，产生的辐射和恒星风从尘埃云中间穿过，掏空了中间部位。
Those include uncovering how bubble growth rates vary with the number of bubble sides and minimizing the surface area per unit volume.
比如探究气泡生长速率如何随气泡面的数目变化而变化，以及单位容量内使表面积最小化。
If you, too, are a bubble lover, then you'll enjoy the latest bubble study published in the journal Nature.
如果你也喜欢泡泡，那你一定不会错过刊登在《自然》杂志上有关泡泡的最新研究。
First came the dotcom bubble, then the housing bubble.
首先是互联网泡沫，然后是房地产泡沫。
There is no tech bubble, just a micro bubble here or there.
并没有所谓的高科技泡沫，只是一些小型的泡沫而已。
He was not cheerfully advocating a housing bubble, but instead he was glumly saying that the only way he could see to get out of the recession would be for such a bubble to occur.
他并不是高兴的主张住房市场泡沫，而是郁闷的表示，他能看到的、唯一能走出萧条的方式就是这样一个泡沫的发生。
The father-of-two has also broken records for the longest chain of bubbles, the number of bounces a bubble can do and the largest frozen bubble.
这位已经是两个孩子的父亲的泡泡达人还打破了世界上最长泡泡，弹跳次数最多泡泡，和最大冰冻泡泡的记录。
For more space, a bubble can be combined with a smaller bubble to create a BubbleLodge or with another full-sized bubble to make a GrandLodge.
想要有更多空间的话可以与稍微小一点的泡泡屋结合创造一个新的泡泡小屋或和另一个全尺寸的泡泡屋结合制作一个豪华大包。
Today's markets are fraught with speculation; we seem to create bubbles for ourselves every few years, the two most recent being the Internet stock bubble and the residential real estate bubble.
今天的市场充斥着投机；我们似乎隔那么几年就要给自己制造一些泡沫，最近的两个是互联网股市泡沫和住宅地产泡沫。
This paper warned about both the last Internet bubble and the American property bubble long before they burst.
本刊警告说，上一次的互联网泡沫和美国房地产泡沫在破裂之前存在很久了。
The rough, dimply surfaces of Mentos encourage bubble growth because they efficiently disrupt the polar attractions between water molecules, creating bubble growth sites.
粗糙的有纹路的曼妥斯促使泡泡增长，因为他们有效地中断水分子之间的极吸引力，使泡泡数量变多了。
It is a lure because during the bubble values are rising steeply, so an investor who exits before the bubble has peaked may be leaving a good deal of money on the table.
之所以是一个诱饵是因为随着泡沫市值的急剧上升，一个在泡沫升至最高峰之前退出的投资者会闲置大量的资金。
On the general question of bubble, in the first place you don't know it's a bubble until the bubble ends, by definition.
说到泡沫这个问题，首先从定义上看，在泡沫破裂之前，你是不知道究竟有没有泡沫的。
Although the mainstream media continues to proclaim we have a gold bubble, it is impossible to have a gold bubble when mainstream America isn't buying gold.
虽然主流媒体不断宣扬黄金价格存在泡沫，但如果主流美国民众不购买黄金，就不会导致黄金泡沫。
Just as previous interest-rate cuts by the Fed helped to pump up both the dotcom bubble and America's housing bubble, further easing over the next year could inflate emerging markets even more.
就像美联储之前调低利率，以助涨互联网和美国房产泡沫一样，明年继续放松流动性能继续加大新兴市场通胀。
There are some very smart people - not least, George Soros - who believe that we're in a commodities bubble (although Mr. Soros says that the bubble is still in its "growth phase").
有些非常聪敏的人，不至是乔治·索罗斯，相信我们已经处在商品泡沫之中(尽管索罗斯先生说这个泡泡任在增长阶段)。
The bubble Room has a translucent bottom half that provides bubble dwellers with a modicum of privacy.
泡泡屋有半透明的底部，能为居住者提供少量隐私。
The 39-year-old said he had a 'bubble epiphany' 22-years-ago which made him determined to create the perfect bubble.
这位39岁的气泡人说，他在22年前就感受到了“气泡的奇迹”，这让他下定决心吹出最完美的泡泡。
About those precedents: Why did so many observers dismiss the obvious signs of a housing bubble, even though the 1990s dot-com bubble was fresh in our memories?
有关那些先例：为什么即使90年代的IT泡沫还历历在目的时候，那么多的观察家们都没有注意到地产泡沫的迹象？
While many experts warned of a housing bubble by 2005, the bubble didn't start deflating until the next year.
虽然许多专家2005年时就警告住房市场正在出现泡沫，但直到2006年房市泡沫才开始破裂。
THE great bubble—and the financial market meltdown that followed its bursting in September 2008—produced a publishing bubble of its own.
巨大的（金融）泡沫——与2008年9月泡沫破灭后金融市场的崩溃一起——导致了围绕这个话题的出版泡沫。
And, perhaps most telling, you can't have a bubble when people are constantly screaming "bubble!"
也许最能说明问题的的，当大家都在尖叫着“新泡沫”的时候，泡沫其实不会出现。
The stock market bubble that broke in October 2007 was the second bubble of the decade.
2007年10月股市破灭是10年里的第二个泡沫。
This arrangement makes it possible to bubble the exhaust gas down through the outer compartment and then bubble it back up through the opaque middle.
这种安排使得它可以导引废气穿过外隔层，然后再导引其经由中间的不透明管道返回。
And the bubble line. Sometimes, instead of having a nice separation between the bubble and the dew line, there's a special point which for some reason those two curves meet. Non-ideality.
这是汽化线，有时汽化和液化曲线没有完全分开，因为某些原因，这两条线会在某个点相交，非理想情况。
And the bubble line. Sometimes, instead of having a nice separation between the bubble and the dew line, there's a special point which for some reason those two curves meet. Non-ideality.
这是汽化线，有时汽化和液化曲线没有完全分开，因为某些原因，这两条线会在某个点相交，非理想情况。
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