科学研究   常速英语

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By the end of the 21st century, humanity is becoming desperate. Decades of heatwaves and droughts have led to unusually poor harvests, while the warming oceans yield fewer fish each year...

到21世纪末，人类正在变得绝望。几十年的热浪和干旱导致了异常糟糕的收成，而变暖的海洋每只鱼的产量都减少了年。在热带地区，数百万人遭受饥荒和资源战争使数百万人更多的人逃往北方。随着事情的迅速发展更糟糕的是，在绝望中，世界政府决定制定应急计划。...

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SPEAKER: When a young biologist named Tony Sinclair arrived in Tanzania's Serengeti National Park in the mid-1960s, he was confronted by a mystery. The numbers of buffalo and wildebeest ...

演讲者：当一位年轻的生物学家托尼·辛克莱来了坦桑尼亚的塞伦盖蒂20世纪60年代中期的国家公园，他遇到了一个谜。数字水牛和角马增长非常迅速。托尼·辛克莱：为了大型哺乳动物，他们就是不这么做那种事。看到这么快增长率这意味着必须这可能是某种根本原...

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Imagine someone coming into your kitchen and taking a few tools, a pan and your garbage. Then they bury everything in the woods. 12,000 years later an archeologist is trying to figure who you wer...

想象一下，有人走进你的厨房带上一些工具、一个平底锅和你的垃圾。然后他们把所有东西都埋在树林里。12, 000几年后，一位考古学家试图弄清楚你是谁。对你来说什么是重要的，你玩过什么电子游戏，你相信什么以及是什么促使你做出决定。因为你碰巧生活在...

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[NARRATOR:] Right after she was born, a routine blood test revealed that Ceniya Harris has the genetic mutation that causes sickle cell disease. [CRYSTAL KELLEY:] It hit me hard. I cried. I w...

[旁白：]她出生后，立即进行了常规血液检查透露Ceniya Harris有基因突变这会导致镰状细胞病。[CRYSTAL KELLEY:]这对我打击很大。我哭了。我很紧张，只是因为我的家人实际上患有这种疾病。我看到他们有很多危机，还有很多住院...

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Climate change is just too much. There's never any good news. Only graphs that get more and more red and angry. Almost every year breaks some horrible record, from the harshest heat waves ...

气候变化太多了。从来没有好消息。只有图形变得越来越红和愤怒。几乎每年都会打破一些可怕的记录，来自最猛烈的热浪冰川融化速度最快。这是无尽的，无情。几十年来，我们已经知道快速的气候变化是由温室气体的释放引起的。但2019年，全球二氧化碳排放量比...

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The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing moment. It is the home of everything that came before, the key to unders...

过去是一片广阔而神秘的土地从大爆炸开始，到现在结束，随着每一刻的流逝而扩大。这里是以前所有事物的家园，理解我们现在的关键。在这里，我们发现了最神奇的生物曾经漫游过我们的星球，数亿人物种如此多样化，以至于我们的想象力不能公正地对待他们。不幸的...

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What is the largest star in the universe and why is it that large? And what are stars anyway? Things That Would Like To Be Stars We begin our journey with Earth. Not to learn anything, ...

宇宙中最大的恒星是什么为什么它那么大？星星到底是什么？想成为明星的东西我们从地球开始我们的旅程。不学习任何东西，只是为了得到一个模糊的规模感。最小的东西有一些类似星星的特性是大型气态巨行星或亚褐矮星。像木星一样，质量最大的太阳系中的行星。大...

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Kandace Griffin: It's like we're making coffee. You're passing a hot liquid over a solid and making lamprey coffee. We have a flask of solvent, and as that heats up, it's going to evaporate. And then ...

坎迪斯·格里芬：这就像我们在煮咖啡。你正在把热液体放在固体上煮七鳃鳗咖啡。我们有一瓶溶剂，随着温度的升高，它会蒸发。然后我们将在提取器主体上凝结，提取器主体上有我们全身的海七鳃鳗，然后它会回到海七鳃鹬身上。这就是从身体中提取警报线索的方法。...