雨燕是一种飞得很快的鸟，它可以边飞边睡！
The swift is a very fast bird that can sleep while it flies!
这个γ射线爆由NASA的“雨燕”观测卫星于2009年四月首先观测到。
The gamma-ray burst was first detected by NASA's Swift satellite in April 2009.
观赏雨燕令人愉悦，就像观看空中的海豚，然后遗憾自己只是地上的凡人。
It was joyful, like watching dolphins in the air, and they surely pitied the earthbound.
美国国家航空航天局的雨燕卫星，捕捉到了一个与我们临近的螺旋星系迄今为止最清晰的图像。
NASA’s Swift satellite has captured the best view of a neighboring spiral galaxy that we’ve seen yet.
事实上，上面的画面显示雨燕X射线天文台在多个星系合并系统中探测到的超大质量黑洞(圆圈)。
In fact, these panels show the location (circled) of Swift X-ray detected supermassive black holes in a variety of merging galaxy systems.
雨燕飞行速度最快。
制作燕窝需要用到一种在东南亚常见的种类独特的热带雨燕的鸟窝。
It requires a special kind of nest, made by a particular species of swiftlet, a tropical bird mostly found in Southeast Asia.
雨燕飞船经常扫描天空以观测各种射线暴，一旦发现可疑耀斑就通知天文学家。
The Swift spacecraft constantly scans the skies for bursts of radiation, notifying astronomers when it locates a potential flare.
还观测到了一个逐渐减弱的X射线源，但是Swift(雨燕号？)没有发现光学余辉。
A fading X-ray source was seen as well, though no optical afterglow was detected by Swift.
美国航空航天局“雨燕”号卫星捕捉到的伽马射线余晖，产生于9月16日伽马射线爆发过后。
NASA's Swift satellite picked up the X-ray afterglow of the September 16th gamma-ray burst.
不过现在NASA的雨燕卫星在硬（高能）X射线的巡天新成果可靠地显示活动星系核与星系合并的紧密联系。
New results from a premier sky survey by NASA's Swift satellite at hard (energetic) X-ray energies now solidly show a strong association of AGN with merging galaxies, though.
燕窝是一种中国美食，某些品种独特的雨燕是用自己的唾液来筑巢的，这种鸟巢就用来当燕窝的原料。
Bird's nest soup is a delicacy in Chinese cuisine. A few species of swift, the cave swifts, are renowned for building the saliva nests used to produce the unique texture of this soup.
上图：雨燕卫星拍摄的GRB 090423，图片由雨燕的紫外、可见光和X射线望远镜图像合成。
Above: GRB 090423 as seen by NASA's Swift satellite. The image is a composite of data from Swift's UV/Optical and X-Ray telescopes.
去年五月到七月间，雨燕卫星共为距离我们最近的星系——来自仙女座的螺旋星系m 31，拍摄了330张紫外线图像。
Between May and July of last year, Swift took 330 ultraviolet images of our closest spiral neighbor, the galaxy M31 in the constellation Andromeda.
研究者使用全球最大的天文望远镜之一——夏威夷的凯克i，在14个雨燕探测到暗爆发的所在，寻找未知的星系。
Using one of the world's largest optical telescopes, the Keck I in Hawaii, researchers looked for unknown galaxies at the locations of 14 Swift-discovered dark bursts.
值得关注的是，俄罗斯空军“勇士”“雨燕”两支飞行表演队将以混合编队进行飞行表演，这是该混合编队在俄罗斯境外的“首秀”。
Particularly, the Russian Knights and Swift teams will have their debut show as a mixed acrobatic team outside Russia.
人类的身边有着众多朝夕共处但并不显眼的生物，雨燕和紫崖燕只是其中一例。正是因为它们的存在，人类所熟知的事物和地方才拥有了全新的意义。
The martins and swallows were but one example of the many life-forms co-existing so unobtrusively31 alongside humans, and for which familiar objects and places had entirely different meanings.
我没有意识到，当我将河流、雨燕和岩石的力量注入剑时，也把对死亡的悲痛和绝望带入其中。
I did not realize that as I bound the power of river, swifts and stone into the metal, I also filled the sword with sorrow and the despair of death.
我没有意识到，当我将河流、雨燕和岩石的力量注入剑时，也把对死亡的悲痛和绝望带入其中。
I did not realize that as I bound the power of river, swifts and stone into the metal, I also filled the sword with sorrow and the despair of death.
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