A spectrum is formed by a ray of light passing through a prism.
一束光通过棱镜就会形成光谱。
Instead, they are shield volcanoes—volcanoes with broad, sloping slides formed by molten rock.
相反，它们是盾状火山——由熔融岩石形成的宽而倾斜的滑坡。
Instead, they are shield volcanoes — volcanoes with broad, sloping slides formed by molten rock.
相反，它们是盾状火山——由熔岩形成的宽而倾斜的滑梯。
In these regions there are vast ice-caps formed by snow that has fallen over the past 50,000 years.
在这些地区有巨大的冰帽，是由过去5万年的降雪形成的。
This is a bit disturbing, because the important habitual neural networks are not formed by mere routine, nor can they be reversed by clever cues.
这有点令人不安，因为重要的习惯神经网络不是仅仅通过例行程序形成的，也不能通过聪明的线索来逆转。
If we had rock samples to study, we'd know whether these small craters were formed by impacts during the final stages of planetary formation, or if they resulted from later meteor showers.
如果我们有岩石样本用于研究，我们就能知道，这些小陨石坑是在行星形成的最后阶段被撞击形成的，还是后来的流星雨造成的。
Unlike Oceanic islands that were once part of continental landmasses, islands formed by such geological processes as volcanism contain only plants and animals that could be transported there.
与曾经是大陆性陆地的一部分的海洋岛屿不同，由火山作用等地质过程形成的岛屿只包含可以被运输到那里的动植物。
These hills were formed by glaciation.
这些山丘是冰川作用形成的。
The company was formed by merging three smaller firms.
公司是由三家小公司合并组成的。
Legend has it that the lake was formed by the tears of a god.
据传说这个湖是一位神仙的眼泪积聚而成的。
Small wonder that an Indian legend described Devils Tower as being formed by supernatural powers.
难怪印度传说中魔鬼塔是由超自然力量形成的。
The Mariner spacecraft found that the surface of Mars, as well as that of its two moons, is pitted with impact craters formed by meteoroids falling in from space.
水手号宇宙飞船发现火星表面，还有它的两个卫星表面，都有由太空坠落的流星体造成的陨石坑。
The bar was formed by the mud and sand deposited here over a long period of time.
河里的泥沙淤积在这里，年深日久便成了沙洲。
It is formed by a process of "self-ionization".
它是由“自身电离”这一过程形成的。
Most caves are formed by limestone, a carbonate rock.
大多数洞穴是由石灰岩形成的，这是一种碳酸盐岩。
The pair formed by the two cookies identifies the session.
由两个cookie形成的这对来鉴定一个会话。
It begins with an attraction, which is formed by that first impression.
由一种在第一印象里形成的叫吸引力的东西驱动着。
The layer formed by the liquid glass is said to be flexible and breathable.
据说，由液体玻璃形成的涂层具有可塑性和透气性。
Its core is formed by two hubs that have a five-ringed structure at their core.
它的中心是由两枚以五环结构为核心的轮毂组成。
Kyrgyzstan is one of the poorest countries formed by the break-up of the Soviet Union.
吉尔吉斯斯坦是由苏联解体形成的最贫穷的国家之一。
The institution was formed by 44 countries whereas its membership today stood at 186.
当时，世行只有44个成员国，而今天则有186个成员国。
The institution was formed by 44 countries whereas its membership today stood at 186.
当时，世行只有44个成员国，而今天则有186个成员国。
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