万物简史 第479期:生命在前进(21)

Once again it was trilobites that provided the clue, 又是三叶虫提供了线索， in particular that seemingly mystifying appearance of different types of trilobite in widely scattered locations around the globe, all at more or less the same tim

万物简史 第480期:生命在前进(22)

The Cambrian explosion, if that's the word for it, probably was more an increase in size than a sudden appearance of new body types, Fortey says. 寒武纪大爆发，如果可以这么称呼的话，更可能是个儿变大，而不是新体形的突然

万物简史 第481期:多灾多难的生命进程(1)

22 Good-bye To All That 第二十二章 多灾多难的生命进程 When you consider it from a human perspective, and clearly it would be difficult for us to do otherwise, life is an odd thing. 要是你从人的角度去考虑生命这个问题，显

万物简史 第482期:多灾多难的生命进程(2)

Like most things that thrive in harsh environments, lichens are slow-growing. 像大多数在恶劣条件下茁壮成长的东西一样，地衣长得很慢。 It may take a lichen more than half a century to attain the dimensions of a shirt button. 地

万物简史 第483期:多灾多难的生命进程(3)

If you imagine the 4,500-million-odd years of Earth's history compressed into a normal earthly day, 请你想像一下。把地球的45亿年历史压缩成普通的一天。 then life begins very early, about 4 A.M., with the rise of the first simpl

诗翁彼豆故事集 第28期:三兄弟的传说(5)

What is more, Beedle's story is quite explicit about the fact that the second brother's lost love has not really returned from the dead. 而且，彼豆的故事说的很明确，老二失去的爱人并没有真正复活。 She has been sent by Deat

万物简史 第484期:多灾多难的生命进程(4)

Throughout this greatly speeded-up day continents slide about and bang together at a clip that seems positively reckless. 在这大大压缩的一天中，大陆到处移动，以似乎不顾一切的速度砰地撞在一起。 Mountains rise and mel

诗翁彼豆故事集 第24期:三兄弟的传说(1)

5. The Tale of the Three Brothers 5. 三兄弟的传说 There were once three brothers who were traveling along a lonely, winding road at twilight. 从前，在一个黎明时分，有三兄弟在一条僻静的羊肠小道上赶路。 In time, the b

诗翁彼豆故事集 第25期:三兄弟的传说(2)

That very night, another wizard crept upon the oldest brother as he lay, wine-sodden upon his bed. 就在那天晚上，老大喝得酩酊大醉后，另一个巫师蹑手蹑脚地来到他床边。 The thief took the wand and for good measure, slit

诗翁彼豆故事集 第26期:三兄弟的传说(3)

Albus Dumbledore on The Tale of the Three Brothers 阿不思邓布利多评《三兄弟的传说》 This story made a profound impression on me as a boy. 我小时候，这个故事给我留下了深刻的印象。 I heard it first from my mother, an

诗翁彼豆故事集 第27期:三兄弟的传说(4)

In spite of the fact that, according to Beedle, two of the three objects are highly dangerous, in spite of the clear message that Death comes for us all in the end, a tiny minority of the wizarding community persists in believing that Beedle was send

英语听书《白鲸记》第892期

Imprimis, fifty feet high in his socks; 首先，要高五十英尺； then, chest modelled after the Thames Tunnel then, legs with roots to 'em, to stay in one place; then, arms three feet through the wrist; 还有，胸膛得仿照泰晤士河隧道的

英国学生科学读本 第83期:物质与感觉(2)

If you have a money-box, can you find out whether there are any of those pieces of matter which we call coins inside it, without opening the box? 如果你有一个储钱罐, 在不打开它的情况下, 你能知道里面有没有那种被称作硬币

英国学生科学读本 第84期:勤劳的蜜蜂(2)

The skin will swell at the place where you were stung, and that spot will feel very sore for several days. 皮肤被叮咬的地方高高肿起, 在接下来的几天时间里, 这个伤口都会令人感到疼痛难忍。 The hive bee is dark brown

英国学生科学读本 第85期:可可与巧克力(1)

Lesson 85 Cocoa And Chocolate 第85课 可可与巧克力 You have all, no doubt, drunk a cup of cocoa, and you have also eaten part of a cocoanut. 毫无疑问, 你们肯定都喝过可可并且吃过巧克力。 Perhaps you thought that cocoa was m

英国学生科学读本 第85期:可可与巧克力(2)

Some people like to make their cocoa by boiling the nibs in water. 有些人喜欢用水来煮可可粒, When this is done, a layer of cocoa-butter is formed on the top of the cocoa. 这样一来, 可可的上面就会形成一层可可脂。 But mos

英国学生科学读本 第86期:太阳,月亮与星星(1)

Lesson 86 Sun, Moon, And Stars 第86课 太阳、月亮与星星 You know that everything which affects your senses is called matter, and that the earth is a great ball of matter. 你知道, 任何能够对你的感官造成影响的东西都叫做物质

英国学生科学读本 第86期:太阳,月亮与星星(2)

Each of the fixed stars is a sun, very much like our own sun, but so far away from the earth that it only looks like a speck of light. 每一颗恒星都是一个太阳, 与我们头顶上的那个太阳非常相似, 只是距离地球太远, 所以看

英国学生科学读本 第87期:蚯蚓(1)

Lesson 87 The Earth-worm 第87课 蚯蚓 The earth-worm is also called the dew-worm, because it likes to come out of its hole and creep about when the grass is wet with dew. 蚯蚓又叫露水虫, 因为当天气潮湿、小草上挂满露水时, 它就

英国学生科学读本 第88期:冷凝(1)

Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法