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Rainbows in the shape of complete circles are sometimes seen from airplanes because they are not cutting off by the horizon.
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参考译文：在500万年的岩石中发现的化石证明了寒武纪的生命形式大多数都是能够分泌钙质形成外壳的海洋动物。 |
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Raindrop fall at a speed of about500 to1, 000 feet a minute.
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雨点以每分钟大约五百到一千英尺的速度下降。 |
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Raindrops are starting to patter.
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就在这时，噼噼啪啪的雨点落了下来。 |
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Raindrops fell on my head.
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雨滴落在我的头上。 |
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Raine : No, thank goodness. But she still in a daze. She couldn't think straight and she had gone temporarily deaf.
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雷恩：没有，真谢天谢地。但我去到的时候，她还在发呆，头脑混乱，好一会儿听不到东西。 |
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Raine : Oh, she's much better, but she's decided to switch from gas to eletricity for her cooking.
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雷恩：她现在好多了，但是决定，以后烧煮不用煤气，改用电力。 |
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Raine : Well there was an explosion caused by a gas leak. A neighbour called me so i got over there as fast as i could.
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雷恩：是煤气漏出引起爆炸。我接到一个邻人电话。就马上赶去看。 |
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Rainfall affects the moisture content of the atmosphere.
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下雨对大气中的含水量有影响。 |
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Rainfall infiltration induces rock slope to slip by mostly changing seepage flow field in unsaturated zone of slope, and infiltration under different rainfall degrees is special instance of rainfall infiltration.
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摘要降雨入渗主要是通过改变岩体边坡非饱和区渗流场引发边坡发生滑坡的，而不同降雨强度下的入渗又是降雨入渗的特例。 |
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Rainfall is fine, and will not hurt a box turtle unless flooding occurs.
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如果雨量不大那降雨也不会伤害龟。 |
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Rainfall is the most important cause of slope failures.
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摘要降雨是导致斜坡破坏的主要原因。 |
