When a large body strikes a planet or moon, material is ejected, thereby creating a hole in the planet and a local deficit of mass.
当一个大型天体撞击行星或月球时，物质会被抛射出去，从而在行星上形成一个洞，造成局部质量不足的现象。
Most astronomers believe that the large concentration of mass at the galaxy's center is a black hole whose gravity is causing the gas to whirl.
大多数天文学家认为，星系中心的大量物质是一个黑洞，它的引力导致气体旋转。
Meantime he worked and worked away, till he made a hole large enough to put out his head.
与此同时，他不停地挖啊挖，挖了一个大洞，大得足以探出头来。
For example, both have a large hole in front of the eye; this big hole is only seen in these species and is not present in any other birds.
举个例子，它们在眼睛前面都有一个大孔；这种孔只会在这类物种上看到，但不会出现在其他鸟类身上。
The light which still shone was derived mainly from a large hole in the western bank of cloud; it was like a piece of day left behind by accident, dusk having closed in elsewhere.
那时仍然透露出来的光线，主要是从西边一大片云彩中的一个大洞中产生生出来的；它仿佛是偶然剩余下来的一片昼，而四周已经被暮色包围了。
A follow up CT scan showed that the dead brain tissue had filled up with blood. As the body digested the dead brain tissue, later scans showed a large hole in the left hemisphere.
他进了重症监护室，随后的CT扫描显示他死亡的脑组织已经被血液填满，待身体吸收了死亡的脑组织，之后的扫描显示他的左半脑有一个大洞。
However, the hole is too large, giving access to burglars.
然而，这个洞太大了，给了窃贼可乘之机。
The most striking eyes among the reptiles have lower and upper eyelids joined together, leaving one large hole for the pupil to see through.
最令人震惊的是蜥蜴的上下眼睑是连在一起的，这特点让它的眼睛只留下了一个比较大的孔瞳孔接收光线。
A large hole in the ozone layer was reported to have opened over the Arctic this spring, the first time ozone loss in the northern hemisphere has matched that in the southern.
据报道，今年春天北极上空的臭氧层出现一个大洞，这是首次在北半球出现的臭氧损耗和南半球不相上下。
The initial design included a large hole at the top of the building, where Mr Mori hoped to install a Ferris wheel.
最初的设计包括在楼顶留出一个大洞，森稔希望在那里安装一个摩天轮。
They plan to excavate a large hole before putting in the foundation.
他们计划打地基前先挖个大洞。
This development focus leaves one large hole which I am sure is already evident to the reader: what about the user?
我可以十分肯定的说各位读者一定清楚的看到了，这里提到的开发的关注点留下了一个很大的漏洞：用户角度的测试呢？
There was a square hole just large enough for my father to fit into if he pulled his knees up to his chest.
船尾那里有一个方孔，大小只够我父亲膝盖顶着下巴挤进去。
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。
At its center, nearly every large galaxy contains a supermassive black hole surrounded by a big bulge of stars.
在每个星系的中心几乎都存在一个超大质量的黑洞，而这个黑洞的周围又包围着一个大核球。
However, even slight changes in the meteorology of the region this month could affect the rate of depletion of ozone and how large an area the ozone hole might span.
即使这一地区在本月之内出现任何的天气变化都有可能影响臭氧含量的变动，并决定臭氧空洞将扩大多少。
Near the farm gate, there was a large hole in the road.
在农场大门的旁边，有一个大洞在路上。
Amazing street illusion created by Erik Johansson looks like a large hole in the middle of Sergels torg public square in Stockholm, Sweden.
由ErikJohansson创作的惊人街头幻景，看上去就像是瑞典斯德哥尔摩市塞格尔公共广场中心的一个大坑。
Amazing street illusion created by Erik Johansson looks like a large hole in the middle of Sergels torg public square in Stockholm Sweden.
由ErikJohansson创作的惊人街头幻景，看上去就像是瑞典斯德哥尔摩市塞格尔公共广场中心的一个大坑。
Water was splashing down from a large hole in the roof.
水从屋顶上的大洞流下来。
Near the farm gate, there was a large hole in the road.
靠近农场大门口的马路中间有一个大坑。
Near the farm gate, there was a large hole in the road.
就在农场大门的旁边，路当中有个大坑。
There was a large hole in front of the building.
这幢建筑物的前面有一个大洞。
These large hole round beads are a gorgeous lilac pink color with thin purple stripes.
这些大洞是一个美丽的圆珠丁香粉红色薄紫色条纹。
The theory of protective level blasting by using duplicate cushion in large hole is put forward and the optimized design of the duplicate cushion was done by numerical value calculation.
文章提出了在保护层爆破中采用大孔径复合垫层爆破，对复合垫层爆破的理论进行了研究，并通过数值计算对复合垫层进行了优化设计。
The theory of protective level blasting by using duplicate cushion in large hole is put forward and the optimized design of the duplicate cushion was done by numerical value calculation.
文章提出了在保护层爆破中采用大孔径复合垫层爆破，对复合垫层爆破的理论进行了研究，并通过数值计算对复合垫层进行了优化设计。
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