Maybe the chemically etched can form the taper but the hole dimension maybe too big if only etch from one side.
化学蚀刻的模板也可以成锥形，但是如果只从一面腐蚀，开孔尺寸可能太大。
Peter shouted for help because he knew the hole meant that the sea was making its way through the sea wall, but no answer came.
彼得知道这个洞意味着海水正在穿过海堤，所以他大声呼救，但没人应答。
There was nothing in the rabbit hole, but there were a few apples in the fruit-closet.
兔子窝里没有兔子，但是果子架上却还有几个苹果。
The other jumped into a hole, but soon he came out of it.
另一个人跳进了一个洞，但很快又出来了。
"If you sleep with your mouth open, she will be able to see the tooth hole," said Sammy. The class laughed. Come on! But that just gave me a great idea! "How did you get the Tooth Fairy to leave the money?"
“如果你张着嘴睡觉，她就能看到牙洞。”萨米说。全班笑了。拜托！但这给了我一个好主意！“你是怎么让牙仙子留下钱的？”
But what if the bubbles came not from the black hole's steady exhalation, but from a relatively recent black hole belch?
但是，如果这两个泡泡不是来自于黑洞的稳定的呼出，而是出于近期黑洞的一次喷发呢？
The results of this study imply that the feeble, but erratic behavior of the black hole in the Milky Way could potentially be typical for present-day supermassive black holes.
研究结果表明，银河系黑洞的这种微弱而不稳定的行为很有可能在现今的特大质量黑洞中具有典型意义。
At first glance, this Bangkok airport doesn't look particularly strange, but sandwiched between the two runways is in fact an 18-hole golf course.
乍一看，曼谷的这座机场没有特别奇怪的地方，但是夹在两条跑道之间的，实际上是一个18洞的高尔夫球场。
The problem comes from a vector field satisfying this criterion in a region but it has a hole in it.
如果一个向量场，在一个有洞的区域上，满足这个条件，就会出问题。
But Alex Filippenko of the University of California at Berkeley said the discovery is most likely a black hole.
但加利福尼亚大学伯克利分校的亚历克斯称该射线源更有可能是黑洞。
The outburst suggests that a relatively high rate of matter had been falling onto the black hole, followed by a smaller, but still significant rate.
这场爆发表明，相对高速率的物质掉到黑洞后，会紧跟着一个相对速率较小的高速率物质。
But he had not anticipated that the currency would so soon become a bolt hole for panicky investors fleeing turmoil in world financial markets.
不过，他却没有料到，这种货币如此迅速的成为一个避难所，由于深感全球金融市场的动荡，惶恐的投资者们纷纷涌入这里。
Westmorland tells them he covered the hole as best he could, but it's only a matter of time before the other C.O.S notice that Bellick is missing.
他告诉同伙们他尽全力将洞遮住了，但是狱警们发现Bellick的失踪只是时间的问题。
She scrabbles at them but, as she scrapes, the sides cave in on top of her hands. The hole remains shallow.
她试着将它们刮到一起，但当她刮的时候，两侧的石子就会塌落在她的手上，洞还是很浅。
That vehicle could have exploded off to the side of the bridge, still creating a large hole, but one that can be navigated around.
而那辆在桥上爆炸的汽车可能只是在桥的一边炸出一个窟窿，其他的车辆可以慢慢的从另一边驶过。
We know the water moves downwards when its left to itself as in rain, but you see if it moves downward on the right that would leave a gap, vacuum a hole in the pipe.
我们知道水都是往下运动的，就好比如同下雨一样，但是你会发现如果在右边的水也向下运动，就会产生一个空隙，在吸管里会有一段真空部分。
Changing scheme rules for new employees is a start but will do nothing to reduce the size of the hole that has already been dug.
仅仅针对新雇员的退休金计划变动可以作为一个开始，但它对缩小已经存在的退休金大坑毫无用处。
But we think this is the prettiest black-hole belch we've seen in a while.
但是我们认为那是我们目前见过的最美的黑洞大爆发。
Cerro DE Pasco has never been a beauty spot. But the few local landmarks, such as the main church, would disappear into the hole by 2014.
塞罗迪·帕斯科从来都不是一个美丽的地方，因为这里几乎没有什么当地的显著标志，例如到2014年，主要的教堂也将会消失。
Generally speaking, this means that an already reported hole remains in the outstanding window, but new data is being SACKed at the more recent end of the window.
通常来讲，这意味着在未完成的窗口中还存在一个已经报告的漏洞，而新数据在窗口的末端已经被选择性应答。
The reason the patient is dying is not because we can't put more blood in, but because there's a big hole in the tank.
究其原因，病人死亡不是因为我们不能把更多的血液输进去，而是因为水箱上有一个大洞。
The left image shows high ozone concentrations over most of the planet, but very low concentrations—the ozone hole—over the Arctic.
作图显示了地球上大部分地区都被高浓度的臭氧所覆盖，但在北极上空却有一片极低值区——也就是臭氧洞。
In Germany and other countries eggs used for cooking were not broken, but the contents were removed by making a hole from the end of each egg with a needle and blowing the contents into a bowl.
在德国和其它一些国家，人们在食用鸡蛋时并不事先将其打破，他们往往用针在鸡蛋一头扎一小孔，再将鸡蛋内的蛋液吹进碗中。
But another hole is expected next year, and the next round of cuts will be more painful.
但是今年可能有另一个窟窿，并且下一轮削减将会更痛苦。
But eventually, the black hole consumes enough of the dust that the powerful and brilliant particle jets blasting out from its poles can break into the open.
但最终黑洞吸引到足量的尘埃之后，会从两极释放出强大而耀眼的粒子束，被尘埃遮蔽的一切都公之于众。
Filling the hole will involve harsh measures, but Mr Osborne sought to represent the first cuts as largely pain-free, leaving the quality of "front-line" public services unaffected.
填补这个缺口需要一些严厉的措施，但是奥斯本先生力求通过无痛的手段来提实施第一次削减，使第一线的服务质量不受影响。
The hole isn't literal; no part of the stratosphere is empty of ozone. But scientists use the hole metaphor to describe the area where ozone drops below a historical concentration of 220 Dobson Units.
这里所谓的“空洞”不是字面上含义，并不存在任何一处平流层完全没有臭氧，科学家们用空洞这一说法来描述这些臭氧浓度低于历史读数220多布森单位的区域。
Massive black holes are common in present-day galaxy clusters, but this is the first time a feeding black hole of this size has been linked to a cluster that is so young.
大质量黑洞在现今星系团非常普遍，但这还是首次发现这种规模的吸食黑洞与一个如此年轻的星团紧密相连。
Massive black holes are common in present-day galaxy clusters, but this is the first time a feeding black hole of this size has been linked to a cluster that is so young.
大质量黑洞在现今星系团非常普遍，但这还是首次发现这种规模的吸食黑洞与一个如此年轻的星团紧密相连。
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